Vol. 49 No. 5 (1997)

Research articles

On additive inequalities for intermediate derivatives of functions given on a finite interval

V. F. Babenko, V. A. Kofanov, S. A. Pichugov

619–628
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- Springer
Convergence rates and finite-dimensional approximation for a class of ill-posed variational inequalities

Byong Nguen

629–637
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- Springer
Small deviations of solutions of stochastic differential equations in tube domains

V. A. Gasanenko

638–650
- PDF (Ukrainian)
- Springer
Topologically free subsets of universal algebras

E. G. Zelenyuk

651–661
- PDF (Russian)
- Springer
Carleman problem for two pairs of functions in a ring

S. Yu. Khachaturov

662–671
- PDF (Russian)
- Springer
On asymptotic decompositions of o-solutions in the theory of quasilinear systems of difference equations

A. V. Kostin, I. V. Skrypnik

672–677
- PDF (Russian)
- Springer
On infinite groups whose noncyclic norm has a finite index

F. N. Liman

678–684
- PDF (Russian)
- Springer
Estimate of an error of the averaging method on a semiaxis for a multifrequency resonance system

R. I. Petryshyn, O. M. Pokhyla

685–690
- PDF (Ukrainian)
- Springer
Equilibrium in quantum systems of particles with magnetic interaction. Fermi and bose statistics

W. I. Skrypnik

691–698
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- Springer
On the Lie algebra structures connected with Hamiltonian dynamical systems

R. G. Smirnov

699–705
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- Springer
On the order of local approximation of functions by trigonometric polynomials that are partial sums of averaging operators

M. A. Sukhorolskyi

706–714
- PDF (Ukrainian)
- Springer

Short communications

Existence, uniqueness, and dependence on a parameter of solutions of differential-functional equations with ordinary and partial derivatives

Ya. I. Bigun

715–719
- PDF (Ukrainian)
- Springer
Critical cases of stability of one nonautonomous essentially nonlinear equation of the nth order

I. E. Vitrychenko

720–724
- PDF (Ukrainian)
- Springer
An example of a complete orthonormal system in a Hilbert space of generalized functions

O. V. Gladkivs’ka

725–728
- PDF (Ukrainian)
- Springer
Periodic groups are not *-wild

S. A. Kalutskii, Yu. S. Samoilenko

729–730
- PDF (Russian)
- Springer
Analytic representation of periodic solutions of linear differential systems

K. K. Kenzhebaev, V. N. Laptinskii

731–735
- PDF (Russian)
- Springer

Obituaries

Wilhelm Illich Fushchich

EditorialBoard

736
- PDF (Ukrainian)
- Springer

Research articles

On additive inequalities for intermediate derivatives of functions given on a finite interval

Convergence rates and finite-dimensional approximation for a class of ill-posed variational inequalities

Small deviations of solutions of stochastic differential equations in tube domains

Topologically free subsets of universal algebras

Carleman problem for two pairs of functions in a ring

On asymptotic decompositions of o-solutions in the theory of quasilinear systems of difference equations

On infinite groups whose noncyclic norm has a finite index

Estimate of an error of the averaging method on a semiaxis for a multifrequency resonance system

Equilibrium in quantum systems of particles with magnetic interaction. Fermi and bose statistics

On the Lie algebra structures connected with Hamiltonian dynamical systems

On the order of local approximation of functions by trigonometric polynomials that are partial sums of averaging operators

Short communications

Existence, uniqueness, and dependence on a parameter of solutions of differential-functional equations with ordinary and partial derivatives

Critical cases of stability of one nonautonomous essentially nonlinear equation of the nth order

An example of a complete orthonormal system in a Hilbert space of generalized functions

Periodic groups are not *-wild

Analytic representation of periodic solutions of linear differential systems

Obituaries

Wilhelm Illich Fushchich

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