Volume 33; Issue 5

Ukrainian Mathematical Journal

Volume 33; Issue 5

1

Splitting of a system of nonhomogeneous linear differential equations that depend on two small parameters

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 526 KB

english, 1981

2

Automorphism group of a finite Abelian p-group

P. M. Beletskii, É. Morgado

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 562 KB

english, 1981

3

Modification of Galerkin's method for a boundary problem of an ordinary nonlinear differential equation

É. I. Kucherenko

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 442 KB

english, 1981

4

A class of groups with separating subgroups

T. G. Lelechenko

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 447 KB

english, 1981

5

Optimal problems on eigenvalues

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 129 KB

english, 1981

6

Theory of almost-periodic pseudodifferential operators

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 351 KB

english, 1981

7

Approximation divisors of a holomorphic mapping and the deficiencies of meromorphic functions of several variables

A. Sadullaev, P. V. Degtyar'

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 327 KB

english, 1981

8

Categories of free ideals

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 379 KB

english, 1981

9

Inverse scattering problem for the transport equation on the whole line

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 569 KB

english, 1981

10

Triviality classes of solutions of some systems of equations with variable coefficients

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 473 KB

english, 1981

11

Relation between smoothness of the potential and size of gaps in the essential spectrum of a Schrödinger operator

E. D. Belokolos, I. M. Pershko

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 357 KB

english, 1981

12

Some remarks on imbeddings of spaces of real interpolation

M. Z. Berkolaiko, V. I. Dmitriev

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 253 KB

english, 1981

13

Homeomorphic continuation of spiral functions

O. A. Busovskaya, V. V. Goryainov

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 346 KB

english, 1981

14

Certain inequalities for concave functions and concave sequences

P. M. Vasić, J. E. Pečarić

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 204 KB

english, 1981

15

Invalidity of the elements of best approximation and a theorem of Glaeser

M. I. Ganzburg, S. A. Pichugov

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 251 KB

english, 1981

16

A property of a certain class of Laplace-type transforms

A. G. Demchenko, A. P. Kokhanovskii

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 182 KB

english, 1981

17

α-Almost-convex functions

V. A. Zmorovich, V. A. Pokhilevich

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 294 KB

english, 1981

18

Eigenvalues of sums of normal operators in ultrametric Euclidean space

V. N. Kalyuzhnyi

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 158 KB

english, 1981

19

Studying a nonlinear boundary-value problem by the two-sided analytic method

Yu. I. Kovach, I. V. Brich

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 223 KB

english, 1981

20

A method of calculating the number of integral points

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 185 KB

english, 1981

21

A method of solving systems of nonlinear Hammerstein-type integral equations

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 310 KB

english, 1981

22

Generating systems of primary Abelian groups

V. M. Lebedenko

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 358 KB

english, 1981

23

Approximation of differentiable periodic functions by local splines of minimum deficiency

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 231 KB

english, 1981

24

Conditional stability of a nonstationary inverse scattering problem

L. P. Nizhnik, R. V. Romanenko

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 238 KB

english, 1981

25

Nonsplit subalgebras of the Lie algebra of the generalized Poincaré group P(1, 4)

V. M. Fedorchuk

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 245 KB

english, 1981

26

O. Yu. Shmidt and group theory

S. N. Chernikov, D. E. Zaitsev, Ya. P. Sysak

Journal:

Ukrainian Mathematical Journal

Year:

1981

Language:

english

File:

PDF, 332 KB

english, 1981