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Vol. 51 No. 12 (1999)

Published: 25.12.1999

Research articles

Finite-dimensional approximations of diffusion measures in a Hilbert space

V. G. Bondarenko

1587–1592
- PDF (Russian)
- Springer
A critical case of stability of one quasilinear difference equation of the second order

I. E. Vitrychenko

1593–1603
- PDF (Russian)
- Springer
A multipoint problem for partial differential equations unresolved with respect to the higher time derivative

I. S. Klyus, B. I. Ptashnik

1604–1613
- PDF (Ukrainian)
- Springer
Structure of certain classes of groups with locally cyclic Abelian subgroups

N. F. Kuzennyi, S. V. Maznichenko

1614–1627
- PDF (Ukrainian)
- Springer
On lower bounds for the approximation of individual functions by local splines with nonfixed nodes

A. A. Ligun, A. A. Shumeiko

1628–1637
- PDF (Russian)
- Springer
Direct methods for the approximate solution of systems of singular integral equations in the case of nonnegative partial indices

К. I. Malyshev

1638–1644
- PDF (Russian)
- Springer
Technical stability of autonomous control systems with variable structure

K. S. Matviichuk

1645–1658
- PDF (Ukrainian)
- Springer
Essentially unstable solutions of difference equations

V. E. Slyusarchuk

1659–1672
- PDF (Russian)
- Springer
Rate of convergence of a group of deviations on sets of $\bar{\psi}$ −integrals

O. I. Stepanets

1673-1693
- PDF (Russian)
- Springer
Systems of singularly perturbed degenerate integro-differential equations

G. V. Zavizion, N. I. ShkiI

1694–1703
- PDF (Russian)
- Springer

Short communications

On the structure of the set of nonwandering points of a pair of coupled quadratic maps

V. A. Dobrynskii

1704–1709
- PDF (Russian)
- Springer
Investigation of smoothness conditions on the boundary for the strong linear convexity of a domain

V. L. Mel’nik

1710–1713
- PDF (Ukrainian)
- Springer
Co-adjoint orbits of compact Lie groups and generalized stereographic projection

T. V. Skrypnik

1714–1718
- PDF (Russian)
- Springer
On the best $m$ -term trigonometric and orthogonal trigonometric approximations of functions from the classes $L^{Ψ}_{β,ρ}$

A. S. Fedorenko

1719-1721
- PDF (Ukrainian)
- Springer

Index

Index of volume 51 of „Ukrainian Mathematical Journal"

1722-1728
- PDF (Ukrainian)