Vol 60 No 5 (2008) | Ukrains’kyi Matematychnyi Zhurnal

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Published: 25.05.2008

Anniversaries

Yuri Yurievich Trokhimchuk (on his 80th birthday)

701 – 703
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Research articles

On Sidon-Telyakovskii-type conditions for the integrability of multiple trigonometric series

O. V. Ivashchuk, P. V. Zaderei, E. N. Pelagenko

579–585
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- Springer
Cauchy problem for a semilinear Éidel’man parabolic equation

O. E. Korkuna

586–602
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- Springer
Basic properties and applications of graded fractal bundles related to Clifford structures: An introduction

Alvarado F. L. Castillo, J. Lawrynowicz, O. Suzuki

603–618
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- Springer
Piecewise-smooth+ version of the implicit-function theorem

V. M. Miklyukov

619–625
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- Springer
On the asymptotic equilibrium and asymptotic equivalence of differential equations in Banach spaces

The Hoan Nguyen, Minh Man Nguyen, Sinh Bay Nguyen

626–635
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- Springer
Best linear methods of approximation and optimal orthonormal systems of the Hardy space

V. V. Savchuk

636–646
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- Springer
Best M-term orthogonal trigonometric approximations of the classes B^Ω_p,θ of periodic functions of many variables

S. A. Stasyuk

647 – 656
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- Springer
On the application of some concepts of ring theory to the study of the influence of systems of subgroups of a group

M. M. Piskun, N. N. Semko

657–668
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- Springer
Approximation of functions from the class $\hat{C}^{\psi}_{\beta, \infty}$ by Poisson biharmonic operators in the uniform metric

T. V. Zhyhallo, Yu. I. Kharkevych

669 – 693
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- Springer
Oscillation criteria for nonlinear second-order differential equations with damping

D. Çakmak

694–700
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- Springer

Short communications

On the defect of nondenseness of continuous imbeddings in the scale of Hilbert spaces

R. V. Bozhok

704–708
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- Springer
Criterion for convexity of a domain of a Euclidean space

I. Yu. Vyhovs'ka, Yu. B. Zelinskii

709–711
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- Springer
On fuzzy semi δ - V continuity in fuzzy δ - V topological space

S. Halder, A. Mukherjee

709–711
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- Springer
Denjoy problems

Yu. Yu Trohimchuk

718–720
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- Springer