Vol. 50 No. 11 (1998)

Published: 25.11.1998

Research articles

The best $L_1$ -approximations of classes of functions defined by differential operators in terms of generalized splines from these classes

V. F. Babenko, Azar Leis

1443-1451
- PDF (Russian)
- Springer
On one proof of the classical solvability of the Hele-Shaw problem with free boundary

B. V. Bazalii

1452–1462
- PDF (Russian)
- Springer
On the Levy-Baxter theorems for shot-noise fields. I

V. V. Buldygin, V. M. Mel'nik, V. G. Shportyuk

1463–1476
- PDF (Ukrainian)
- Springer
Uniqueness theorems for multiple lacunary trigonometric series

V. V. Volchkov

1477–1481
- PDF (Russian)
- Springer
Properties of the fundamental solutions and uniqueness theorems for the solutions of the Cauchy problem for one class of ultraparabolic equations

S. D. Ivasyshen, V. S. Drotn'

1482–1496
- PDF (Ukrainian)
- Springer
Groups all proper quotient groups of which possess layer-Chernikov properties

N. V. Kalashnikova

1497–1505
- PDF (Ukrainian)
- Springer
Approximation of solutions of operator-differential equations by operator polynomials

A. I. Kashpirovskii, Yu. V. Mytnik

1506–1516
- PDF (Ukrainian)
- Springer
Random oscillations in the Van der Pol system under the action of a broadband random process

Yu. A. Mitropolskiy, Dyk Tin Nguen, Dong An Nguyen

1517–1521
- PDF (Russian)
- Springer
On the noncompactness of classes of mappings with restrictions on dilation in measure

V. L. Potemkin, V. I. Ryazanov

1522–1531
- PDF (Russian)
- Springer
Structure of locally graded CDN (]-groups

N. N. Semko

1532–1536
- PDF (Ukrainian)
- Springer
Linear periodic boundary-value problem for a second-order hyperbolic equation. I

N. H. Khoma

1537–1544
- PDF (Ukrainian)
- Springer
Quotient groups of locally graded groups and groups of certain Kurosh-Chernikov classes

D. Ya. Trebenko, N. S. Chernikov

1545–1553
- PDF (Russian)
- Springer

Short communications

Space-time localization in one-dimensional problems with free boundary for nonlinear second-order equations

Kh. R. Bittiev

1554–1558
- PDF (Russian)
- Springer
A new class of compact spherical spaces

Yu. V. Dzyadyk

1559–1563
- PDF (Russian)
- Springer
Paley-Wiener-type theorem for nilpotent Lie groups

V. V. Kisil'

1564–1566
- PDF (Russian)
- Springer
Stable solutions of a system of two connected Chua cells

I. L. Nizhnik

1567–1569
- PDF (Russian)
- Springer
Hausdorff diameter of a nonsymmetric class of vector functions

A. A. Polovina

1570–1573
- PDF (Russian)
- Springer
Riquier problem for a nonlinear equation resolved with respect to the iterated Levi Laplacian

M. N. Feller

1574–1577
- PDF (Russian)
- Springer
On the London theorem concerning the Borel relation for entire functions

P. V. Filevych

1578–1580
- PDF (Ukrainian)
- Springer
Numerical-analytic method for the investigation of multipoint boundary-value problems for systems of differential equations with transformed argument

Ya. I. Bigun, M. P. Filipchuk

1581–1584
- PDF (Ukrainian)
- Springer

Vol. 50 No. 11 (1998)

Research articles

The best $L_1$ -approximations of classes of functions defined by differential operators in terms of generalized splines from these classes

On one proof of the classical solvability of the Hele-Shaw problem with free boundary

On the Levy-Baxter theorems for shot-noise fields. I

Uniqueness theorems for multiple lacunary trigonometric series

Properties of the fundamental solutions and uniqueness theorems for the solutions of the Cauchy problem for one class of ultraparabolic equations

Groups all proper quotient groups of which possess layer-Chernikov properties

Approximation of solutions of operator-differential equations by operator polynomials

Random oscillations in the Van der Pol system under the action of a broadband random process

On the noncompactness of classes of mappings with restrictions on dilation in measure

Structure of locally graded CDN (]-groups

Linear periodic boundary-value problem for a second-order hyperbolic equation. I

Quotient groups of locally graded groups and groups of certain Kurosh-Chernikov classes

Short communications

Space-time localization in one-dimensional problems with free boundary for nonlinear second-order equations

A new class of compact spherical spaces

Paley-Wiener-type theorem for nilpotent Lie groups

Stable solutions of a system of two connected Chua cells

Hausdorff diameter of a nonsymmetric class of vector functions

Riquier problem for a nonlinear equation resolved with respect to the iterated Levi Laplacian

On the London theorem concerning the Borel relation for entire functions

Numerical-analytic method for the investigation of multipoint boundary-value problems for systems of differential equations with transformed argument

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