Vol 51 No 5 (1999) | Ukrains’kyi Matematychnyi Zhurnal

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Published: 25.05.1999

Anniversaries

50 Years of “Ukrainskii Matematicheskii Zhurnal”

579–580
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Vladislav Kirillovich Dzyadyk (on his 80-th birthday)

581-582
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Research articles

A new method for the construction of solutions of nonlinear wave equations

A. F. Barannyk, I. I. Yuryk

583-593
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On the absolute convergence of power series

S. B. Hembars'ka, P. V. Zaderei

594–602
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Approximation of fractional-order integrals by algebraic polynomials. I

V. P. Motornyi

603–613
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Stochastic dynamics as a limit of Hamiltonian dynamics of hard spheres

M. Lampis, D. Ya. Petrina, К. D. Petrina

614-635
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On the sum of an almost abelian Lie algebra and a Lie algebra finite-dimensional over its center

A. P. Petravchuk

636–644
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Weighted approximation in mean of classes of analytic functions by algebraic polynomials and finite-dimensional subspaces

V. S. Romanyuk

645–662
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The theory of the numerical-analytic method: Achievements and new trends of development. V

M. I. Ronto, A. M. Samoilenko, S. I. Trofimchuk

663–673
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Widths and best approximations for classes of convolutions of periodic functions

A. S. Serdyuk

674–687
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Several statements for convex functions

O. I. Stepanets

688–702
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On the analyticity of the Fourier original and Fourier transform inside alternate angles

Yu. I. Cherskii

703–707
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Kato inequality for operators with infinitely many separated variables

V. G. Samoilenko

718–720
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Short communications

On the structure of incoming and outgoing subspaces for a wave equations in $ℝ^n$

S. A. Kuzhel'

708-712
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Projection methods for the solution of Fredholm integral equations of the first kind with $(ϕ, β)$-differentiable kernels and random errors

G. A. Pereverzeva

713–717
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