Faculty
of Electrical Engineering

Poznan
University of Technology

Poznan University of Technology,
Institute of Mathematics,
ul. Piotrowo 3A,
60-965 Poznan,
Poland
e-mail: fascicul.math@put.poznan.pl
FASCICULI MATHEMATICI

MANAGING EDITOR

EDITORIAL BOARD

SECRETARIES

CONTENTS


MANAGING EDITOR

JAROSLAW WERBOWSKI

Poznan University of Technology,
Institute of Mathematics,
ul. Piotrowo 3A,
60-965 Poznan,
Poland

jaroslaw.werbowski@put.poznan.pl

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EDITORIAL BOARD

RAVI P. AGARWAL

Florida Institute of Technology,
Departament of Mathematical Sciences,
Melbourne, Fl 32901-6975,
U.S.A.

agarwal@.fit.edu

JAROSLAW MORCHA£O

Poznan University of Technology,
Institute of Mathematics,
ul. Piotrowo 3A,
60-965 Poznan,
Poland

jaroslaw.morchalo@put.poznan.pl

IVAN KIGURADZE

Georgian Academy of Sciences,
A. Razmadze Math. Institute,
Z. Rukhadze str. 1,
380093 Tbilisi,
Rep. of Georgia

kig@rmi.acnet.ge

RYSZARD P£UCIENNIK

Poznan University of Technology,
Institute of Mathematics,
ul. Piotrowo 3A,
60-965 Poznan,
Poland

ryszard.pluciennik@put.poznan.pl

GERASIMOS LADAS

University of Rhode Island,
Departament of Mathematics,
Kingston, Rhode Island 02881-0816,
U.S.A.

gladas@math.uri.edu

LUCYNA REMPULSKA

Poznan University of Technology,
Institute of Mathematics,
ul. Piotrowo 3A,
60-965 Poznan,
Poland

lucyna.rempulska@put.poznan.pl

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SECRETARIES

MARIOLA SKORUPKA

Poznan University of Technology,
Institute of Mathematics,
ul. Piotrowo 3A,
60-965 Poznan,
Poland
e-mail: fascicul.math@put.poznan.pl

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CONTENTS

.

.

Number 47. (2011)

Number 46. (2011)

Number 45. (2010)

Number 44. (2010)

Number 43. (2010)

Number 42. (2009)

Number 41. (2009)

Number 40. (2008)

Number 39. (2008)

Number 38. (2007)

Number 37. (2007)

Number 36. (2005)

Number 35. (2005)

Number 34. (2004)

Number 33. (2002)

Number 32. (2001)

Number 31. (2001)

Number 30. (1999)


Fasc. Math. Nr. 47 (2011)
INDEX
IWIÑSKA M., POPOWSKA B. – Characterizations of the exponential distribution by geometric compound5
MANRO S., KUMAR S., BHATIA S.S.– R-weakly commuting maps in G-metric spaces11
MATKOWSKI J. – Mean-value type equalities with interchanged function and derivative19
NOIRI T., POPA V. – Further properties of quasi M-continuous functions29
OLALERU J.O., AKEWE H. – The equivalence of Jungck-type iterations for generalized contractive-like operators in a Banach space47
RAJ K., SHARMA S.K. – Weighted substitution operators between L p -spaces of vector-valued functions63
RAJESH N, EKICI E., JAFARI S. – On new separation axioms in bitopological spaces71
RAVI O., MISSIER S.P., PARKUNAN T.S. – Decomposition of bitopological (1,2)* -homeomorphisms 81
SAMET B., VETRO C. – Comments on the paper "Coincidence theorems for some multivalued mappings" by B. E. Rhoades, S. L. Singh and Chitra Kulshrestha89
SHARMA S., TILWANKAR P. – Common fixed point theorems in intuitionistic fuzzy metric space using general contractive condition of integral type95
SULAIMAN W.T. – A note on summability factors of infinite series117
VATS R.K., KUMAR S., SIHAG V. – Fixed point theorems in complete G-metric space127

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Fasc. Math. Nr. 46 (2011)
INDEX
AKKOUCHI M., POPA V. – Well-posedness of fixed point problem for a hybrid pair of mappings5
ALI Z.S.– A short note on a multiplier of the Nörlund means and convex maps of the unit disc17
CARPINTERO C., RAJESH N., ROSAS E. – On a class of (γ , γ')-preopen sets in a topological space25
DESHPANDE B., CHOUHAN S. – Common fixed point theorems for hybrid pairs of mappings with some weaker conditions in 2-metric spaces37
DUTTA A.J. – Lacunary p-absolutely summable sequences of fuzzy real numbers 57
HUSSAIN S. – Applications of minimal γ-semi-open sets 65
JAFARI S., NOIRI T., POPA V., RAJESH N. – On upper and lower faintly δ-β-continuous multifunctions77
PADHI S., QIAN C. – On asymptotic property of solutions of higher order functional differential equations87
RAJESH N., CALDAS M., JAFARI S., MOSHOKOA S.P. – Quasi δ-β-continuous functions105
RAVI O., THIVAGAR M.L., LATHA R. – (g,s)-continuous functions between topological spaces115
SUBRAMANIAN N., MISRA U.K. – The Nörlund Orlicz space of double gai sequences 131
SUN T., XI H., PENG X. – A note on ω-limit set of a tree map 141

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Fasc. Math. Nr. 45 (2010)
INDEX
AKKOUCHI A.– Well-posedness of the fixed point problem for Φ-max-contractions5
BÜYÜKYAZICI Í.– A Korovkin type approximation theorem and its application 13
ELSAYED E.M. – On the solutions of a rational system of difference equations 25
KARATAS R.– On the solutions of the recursive sequence ( -a+xn-k xn-(2k+1))37
KHEDR F.H., ABDELHAKIEM K.M. – Operations on bitopological spaces 47
KUMAR S.– A note on Jungck's fixed point theorem 59
NOIRI T., POPA V. – A generalization of ω-continuity 71
OLALERU J.O., AKEWE H.– The convergence of Jungck-type iterative schemes for generalized contractive-like operators N87
PACHPATTE B.G.– Approximate solutions of a certain second order integro- differential equation 99
SUBRAMANIAN N., MISRA U.K.– The semi normed space defined by a double gai sequence of modulus function111
TIDKE H.L., DHAKNE M.B. – Existence and uniqueness of solution of differential equation of second order in cone metric spaces 121
TRIPATHY A.K. – Oscillation properties of a class of neutral differential equations with positive and negative coefficients 133

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Fasc. Math. Nr. 44 (2010)
Dedicated to Professor Gerasimos Ladas


INDEX
DEDICATED TO PROFESSOR GERASIMOS LADAS
CAMOUZIS E., DRYMONIS E., LADAS G.– Patterns of boundedness of the rational system and 9
ÈERMÁK J.– On a linear difference equation with several infinite lags 19
FERREIRA M., OLIVEIRA B.M.P.M., PINTO A.A.– Piecewise R&D dynamics on costs 29
GUY R.T., MISIUREWICZ M. – Euler approximations can destroy unbounded solutions 43
GYÕRI I., REYNOLDS D.W.– On asymptotically periodic solutions of linear discrete Volterra equations53
HÖGNÄS G., JUNG B. –Analysis of a stochastic difference equation: exit times and invariant distributions69
MALINOWSKA A.B., TORRES D.F.M. – The delta-nabla calculus of variations 75
MIGDA M. –Oscillation criteria for higher order neutral difference equations with oscillating coefficient 85
NOWAKOWSKA W., WERBOWSKI J. –On connections between oscillatory solutions of functional, difference and differential equations 95
SCHMEIDEL E.– Boundedness of solutions of nonlinear three-dimensional difference systems with delays107
SIZER W.S.– Further instances of periodicity in May's host parasitoid equation 115

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Fasc. Math. Nr. 43 (2010)
INDEX
ACOSTA A., AZIZ W., MATKOWSKI J., MERENTES N.– Uniformly continuous composition operator in the space of  φ -variation functions in the sense of Riesz 5
ATASEVER N., YALCINKAYA I.– On a class of rational difference equations 13
BAªARIR M. – On Lacunary strong σ-convergence with respect to a sequence of
φ-functions 		19
DESHPANDE B.– Common fixed point results for six maps on cone metric spaces with some weaker conditions 33
GURAN L. – Existence and data dependence of fixed points for multivalued weakly φ-contractive operators 45
KHAN M.S., SAMANIPOUR M., MURTHY P.P. – Common fixed point theorems for compatible maps of type (P) and kind of weakly commuting maps53
KOROÑSKI J. – The radial solution of the heat equation in the cylindrical ring 69
KUMAR D. – On the fast growth of analytic functions by means of Lagrange polynomial approximation and interpolation in CN85
OLATINWO M.O. – Some stability results for nonexpansive and quasi-nonexpansive operators in uniformly convex Banach space using two new iterative processes of Kirk-type 101
PACHPATTE B.G. – Integral equation arising in the theory of partial differential equations115
PÃCURAR M. – A fixed point result for φ-contractions on b-metric spaces without the boundedness assumption127
SEN M. – On I-limit superior and I-limit inferior of sequences of fuzzy numbers139
SUBRAMANIAN N., ESI A. – The Nörlund space of double entire sequences147
SUBRAMANIAN N., MISRA U.K. – The generalized double difference of gai sequence spaces155
YALCINKAYA Ç., KURBANLI A.S. – On the solutions of the difference equation xn+1 =max{1 / xn , xn-1 / xn}165
YALCINKAYA Í., ÇINAR C. – Global asymptotic stability of a system of two nonlinear difference equations171

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Fasc. Math. Nr. 42 (2009)
INDEX
ALTUN I., TURKOGLU D.– Some fixed point theorems for mappings satisfying contractive condition of integral type on d-complete topological spaces 5
BAKER C.W., CALDAS M., JAFARI S., MOSHOKOA S.P.– More on almost contra λ -continuous functions 17
BOSEDE A.O. – Noor iterations associated with Zamfirescu mappings in uniformly convex Banach spaces29
GRACE S.R., AGARWAL R.P., AKTAS M.F.– Oscillation criteria for third order nonlinear difference equations 39
JAFARI S., THIVAGAR M.L., PONMANI S.A., RAJESWARI R.R. – A bitopological view of γ-open sets 53
PACHPATTE B.G. – Growth estimates on mixed Volterra-Fredholm type integral inequalities 63
PANT V., JHA K. – (ε, δ) contractive condition and common fixed points 73
PARSAI R., RATHORE M.S., CHANDEL R.S. – On a common fixed point of two random operators using random Mann iteration scheme 85
POP O.T. – Voronovskaja-type theorems and approximation theorems for a class of GBS operators 91
RATH R.N., RATH S.K. – Oscillation and nonoscillation criteria for a neutral delay difference equation of first order109
TRIPATHY B.C., DUTTA H. – Some difference paranormed sequence spaces defined by Orlicz functions 121
YALÇINKAYA Í. – On the difference equation xn+1 =α+(xn-2 /xnk ) 133
YALÇINKAYA Í., ÇINAR C. – On the dynamics of the difference equation
x n+1 =(axn-k /(b+cxnk ))		141

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Fasc. Math. Nr. 41 (2009)
INDEX
ALIOUCHE A., POPA V.– Coincidence and common fixed point theorems via
R-weak commutativity of type AT 		5
BAªARIR M., ALTUNDAĞ S.– Some generalized difference sequence spaces defined by a sequence of Orlicz functions 17
BAªCANBAZ-TUNCA G., TUNCER Y.– Some properties of multivariate beta operator31
CERNEA A.– Lipschitz-continuity of the solution map of some nonconvex second-order differential inclusions 45
ELABBASY E.M., ELSAYED E.M.– On the solution of the recursive sequence
xn+1 =max{ xn-2 , 1/xn-2 } 		55
ERENÇIN A., TAªDELEN F.– On certain Kantorovich type operators 65
JAFARI S., VISWANATHAN K., RAJAMANI M.– A decomposition of α-continuity and αgs-continuity 73
LOMTATIDZE A., OPLU©TIL Z., ©REMR J.– Solvability conditions for a nonlocal boundary value problem for linear functional differential equations 81
NOIRI T., AL-OMARI A., NOORANI M.S.M. – Slightly ω-continuous functions97
NOIRI T., POPA V.– Minimal structures, m-open multifunctions in the sense of Kuratowski and bitopological spaces107
PACHPATTE B.G.– On some fundamental aspects of certain sum-difference equations119
TRIPATHY B.C., SARMA B.– On some classes of difference double sequence spaces 135

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Fasc. Math. Nr. 40 (2008)
INDEX
ELSAYED E.M.– On the solution of recursive sequence of order two 5
ESI A., TRIPATHY B.C.– On some generalized new type difference sequence spaces defined by a modulus function in a seminormed space 15
JAIYEOLA T.G.– Some necessary and sufficient conditions for parastrophic invariance of the associative law in quasigroups 25
OLATINWO M.O.– A generalization of some convergence results using a Jungck-Noor three-step iteration process in arbitrary Banach space 37
OLATINWO M.O., IMORU C.O.– A generalization of some results on multi-valued weakly Picard mappings in b-metric space 45
PACHPATTE B.G. – On neutral type hyperbolic integrodifferential equation 57
PANT V., PADALIYA S., PANT R.P.– Common fixed points of mappings not satisfying contractive condition 71
SRIVASTAVA G.S. – Generalized growth of entire harmonic functions 79
SUBRAMANIAN N., TRIPATHY B.C., MURUGESAN C.,– The double sequence space Γ291
TRIPATHY B.C., DAS P.C.,– Some classes of difference sequences of fuzzy real numbers 105
TRIPATHY B.C., SARMA B.,– Generalized Köthe-Toeplitz dual of some double sequence spaces 119

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Fasc. Math. Nr. 39 (2008)
INDEX
ABBAS M. – Common fixed point results with applications in convex metric space 5
BRANDYS J. – Strong maximum principles for infinite systems of parabolic differential-functional inequalities with nonstandard initial inequalities, 17
LIU Y. – Anti-periodic boundary value problems for nonlinear impulsive functional differential equations 27
PACHPATTE B.G. – On iterated Volterra integrodifferential equation of higher order 47
POPA V. – A common fixed point theorem for two multifunctions defined on closed ball63
SHARMA S., DESHPANDE B., PATHAK R. – Common fixed point theorems for hybrid pairs of mappings with some weaker conditions 71
TRIPATHY B.C., BORGOHAIN S. – The sequence space 87
TRIPATHY B.C., DAS P.C. – Statistically convergent difference sequence spaces of fuzzy real numbers 97
TRIPATHY B.C., SARMA B. – Some paranormed difference double sequence spaces defined by Orlicz function 113
TRIPATHY B.C., SEN M. – Vector valued paranormed spaces associated with multiplier sequences125

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Fasc. Math. Nr. 38 (2007)
INDEX
BUJAKEWICZ-KOROÑSKA R., KOROÑSKI J. – Linear and nonlinear boundary value problems for polyharmonic equations 5
GE Y. – Notes on spaces with a weak-development 17
KARSLI H., IBKLI E. – On convergence of convolution type singular integral operators depending on two parameters 25
KOROÑSKI J. – Nonhomogeneous parabolic problem in the space R∞41
KUMAR D. – On approximation and interpolation errors of analytic functions 47
LIU Y. – Periodic solutions of first-order functional differential equations with supper-linear nonlinearities 57
NOIRI T., POPA V. – Separation axioms in quasi m-bitopological spaces 75
OLATINWO M.O. – Some existence and uniqueness common fixed point theorems for selfmappings in uniform space 87
PACHPATTE B.G. – New inequalities of Ostrowski-Grûss type 97
PADHI S. – Oscillation and asymptotic behaviour of solutions of second order neutral differential equations with positive and negative coefficients 105
P£UCIENNIK P. – A modified Corrado-Miller implied volatility estimator 115
YANG S . – A note on sequence-covering images of metric spaces 125

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Fasc. Math. Nr. 37 (2007)
INDEX
BYSZEWSKI L. – A system of implicit impulsive nonlinear parabolic functional-differential inequalities 5
KUBIACZYK L, DESHPANDE B. – Common fixed point of multivalued mappings without continuity 19
MlCHA£OWICZ A. – On the strong approximation offunctions by the Bernstein polynomials 27
PACHPATTE B.G. – On higher order Yolterra-Fredholm integrodifferential equation 35
PADHI S. – Asymptotic behaviour of oscillatory solutions of n-th order differential equations 49
RATH R., PADHY L.N., MISRA N. – Oscillation and non-oscillation of neutral difference e±uations of flrst order with positive and negative coefficients 57
SHARMA S., BAGWAN A. – Common flxed point theorem for six mappings in Menger space 67
ŠMARDAZ. – On singular initial value problem for nonlinear Fredholm integrodifferential equations 79
ŠREMR J. – On the initial value problem for two-dimensional systems of linear functional differential equations with monotone operators 87
THANDAPANI E., SELYARAJ B. – Oscillations of fourth order ±uasilinear difference equations 109
ZHU H., HUANG L. – Convergence and periodic properties of solutions for a class ofdelay difference equation 121

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Fasc. Math. Nr. 36 (2005)
INDEX
AFUWAPE A.U., ADESINA O.A. – On the bounds for mean-values of solutions to certain third-order non-linear differential equations 5
ALTIN Y., TRIPATHY B.CH., IŞIK M., ET M. – Strongly (Vσ,Θ,q)–summable sequences defined by Orlicz functions 15
GE Y. – On closed inverse images of mesocompact spaces 27
IWIŃSKA M. – On the characterization of the exponential distribution by record values with a random index 33
JANIAK T., ŁUCZAK-KUMOREK E. – Stability of generalized functional-differential equations 41
JANKOWSKI L., MARLEWSKI A. – A note on the core topology and three other ones 49
KALINOWSKI J., KLAMKA J. – Positive dynamical systems with delays65
LISKOWSKI M. – Approximation by functions in C0∞(Ω) in Orlicz – Sobolev spaces 73
POSKROBKO A. – On self-adjointness problem for Jacobi operators83
SHARMA S., DESHPANDE B. – Discontinuity and weak compatibility in fixed point consideration of Gregus type in convex metric spaces 91
SKÓRA L. – Remarks on first order impulsive ordinary differential equations with anti-periodic boundary conditions103
WEI G., SHEN J. – Asymptotic behaviour of solutions of implusive differential equations with positive and negative coefficients109

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Fasc. Math. Nr. 35 (2005)
INDEX
AGARWAL R.P., GRACE S.R., O’REGAN D. – On the oscillation of certain advanced functional differential equations using comparison methodsy 5
ARAL A. – On a generalized λ-Gauss Weierstrass singular integral 21
BOHNER M., HILSCHER M. – An eigenvalue problem for linear Hamiltonian dynamic systems33
KUMAR D. – Approximation of growth numbers of generalized bi-axially symmetric49
LIU Y., GE W. – Global attractivity in a non-autonomous logistic type model with unbounded delay59
MIGDA M. – On the discrete version of generalized Kiguradze’s lemma75
PACHPATTE B.G. – Explicit bounds on some retarded integral inequalities81
RATH R.N., PADHY L.N. – Necessary and sufficient conditions for oscillation of solutions of a first order forced nonlinear difference equation with several delays 95
REMPULSKA L., SKORUPKA M. – On strong approximation of functions of one and two variables by certain operators107
SHAKER M., ABDUL-HUSSEIN, SRIVASTAVA G.S. – A study of bornological properties of the space of entire functions represented by multiple Dirichlet series115
WASZAK A. – Some remarks on strong convergence in modular spaces of sequences143
ZHANG G., CHENG S.S. – On two second order half-linear difference equations155

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Fasc. Math. Nr. 34
INDEX
Brandys J. – Uniqueness criterion of a classical solution of a biparabolic problem in an unbounded domain with a curvilinear boundary5
Gupta V., Abel U. – The rate of convergence by a new type of Meyer-Konig and Zeller operators15
Jiang D., Xu. X., O'Regan D., Agarwal R.P. – Multiple positive solutions to semipositone Dirichlet boundary value problems with singular dependent nonlinearities25
Kubiaczyk I., Saker S.H. – Oscillation and asymptotic behavior of second-order nonlinear difference equations39
Kumar D., Kasana H.S. – Approximation of entire harmonic functions R3 in Lbeta - norm55
Pachpatte B.G. – On some basic finite difference inequalities65
Padhi S., Kar P.K., Nayak S.K. – Necessary and sufficient conditions for the solutions of second order neutral differential equations to be oscillatory or tending to zero73
Stevic S. – Sequences which satisfy a logarithmic linear inequality85
Tal-Figiel B. – Green function and some inhomogenous problem for the equation P2u(x,t)=f(x,t)97
Tal-Figiel B. – Some nonlinear diffusion equation with three nonlinearities105
Tomczak K. – Some remarks of Borel the means of trigonometric Fourier series121
Walczak Z. – Approximation properties of certain modified Szasz-Mirakyan operators of functions of two variebles129
Walczak Z. – Certain modification of Szasz-Mirakyan operators141
Waszak A. – A contribution to the theory of modular spaces of sequences149
Liu Yuji., Ge Weigao – Existence and nonexistence of positive solutions for nonlinear three-point boundary-value problems157

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Fasc. Math. Nr. 33
INDEX
Adamczak M. – Some remarks on almost periodic functions5
Baranski F., Tal-Figiel B. – Some nonlinear problem to the equation delta u - c u = f for a sphere21
Benchohra M., Ntouyas S.K. – On an hyperbolic functional differential inclusion in Banach spaces27
Lin X., Shen J. – Bounded oscillation for a class of even order neutral difference equations37
Pachpatte B.G. – Inequalities useful in the theory of certain partial differential equations49
Rempulska L., Skorupka M. – Approximation of functions of one and two variables by some operators57
Stoiñski S. – An application of modular spaces to approximation problems, IX89

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Fasc. Math. Nr. 32
INDEX
Baranski F., Zdankiewicz Z. – Green functions and periodic solution to the m-parabolic equation with boundary-value conditions of Riquier type5
Byszewski L., Hachaj J. – On a parabolic problem together with a semilinear equation and a semilinear initial condition15
Došlý O., Pospíšial Z. – Hyperbolic transformation and hyperbolic difference systems25
Iwinska M. – Properties of record values with random index characterizing exponential distribution49
Koronski J. – On the homogeneous quasi polyharmonic polynomials55
Kulenovic M.R.S., Hadžiomerspahic S. – Existence of nonoscillatory solution for linear neutral delay equation61
Kumar D. – Proximate type in reference to generalized biaxisymmetric potentials73
Parhi N., Tripathy A.K. – On asymptotic behaviour and oscillation of forced first order nonlinear neutral difference equations83
Stanimirovic P.S – Computation of matrix splittings and their applications97
Waszak A. – On properties of some modular spaces of double sequences105

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Fasc. Math. Nr. 31
INDEX
Benchohra M., Sntouyas S.K. – Controllability of nonlinear integrodifferential inclusions in Banach spaces with nonlocal conditions5
Graef J.R., Thandapani E. – Oscillatory and asymptotic behavior of fourth order nonlinear delay difference equations23
Gupta P., Gupta V. – Rate of convergence on Baskakov-Szasz type operators37
Janík V., Marušiak Pavol – Existence of nonoscillatory solutions of the third order quasilinear neutral differential equations45
Migda M. – Asymptotic behaviour of solutions of nonlinear delay difference equations57
Migda M., Schmeidel E. – On the asymptotic behavior of solutions of nonlinear difference equations63
Rehák P. – Oscillation and nonoscillation criteria for second order linear difference equations71
Špániková E. – Oscillatory properties of solutions of neutral differential systems91
Stoinski St. – Some remarks on spaces of almost periodic functions105
Walczak Zb. – Approximation of functions of two variables by modified Szasz-Mirakyan operators117

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Fasc. Math. Nr. 30
INDEX
Bogalska K. - The Voronovskaya type theorem for the Basakov-Kantorovich operators5
Cheng S.S., Liu S. T., Zhang G. - A multivariate oscilation theorem15
Gurdek M., Kurczynska J., Walczak Z. - Approximation theorems for some operators in weighted spaces of functions of two variables23
Machaj J. - An application of the Green method to a determination of unique solutions of iterated parabolic-elliptic problems37
Herzog M. - Some remarks about a generalized method of summability of series57
Koronski J. - On the periodic solution of the parabolic problem for the cylinder63
Koronski J. - The periodic solution to biparabolic equiation for the three - dimensional temporal - spatial cylinder with boundary conditions of riquier type71
Koronski J. - The radial solution of the factorised polyparabolic equiation in spherical shall81
Liskowski M. - Interpolation inequalities in Orlicz-Sobolev space99
Pachpatte B.G. - A note on multivariate variants of Hardy's inequality107
Pachpatte B.G. - Integral inequalities of Wirtinger and Opial type in three independent variables113
Pieniazek A. - A limit problem for a factorised parabolic equiation of the fourth order131
Popenda J., Radicheva E. - Growth estimates for solutions of difference equiations147
Stankiewicz J. - Smoothing conditions and their applications159
Stoinski S. - On compactness of almost periodic functions in the Lebesque measure171

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MARIAN DONDAJEWSKI