2019
Том 71
№ 11

All Issues

Volume 42, № 3, 1990

Article (Ukrainian)

The ideas of Krylov and Bogolyubov in the theory of differential equations and mathematical physics and their development

Mitropolskiy Yu. A.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 291–302

Article (Ukrainian)

Groups in which all not completely factorable subgroups have a primary supplement

Atamas' V. V.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 302–308

Article (Ukrainian)

Linear programming over ordered bodies

Babikov G. V.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 308-312

Article (Ukrainian)

Factorization of transfer functions. I. (+).regular factorization

Do Kong Khan'

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 312–317

Article (Ukrainian)

Extremal lengths and green capacities of condensers

Zorii N. V.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 317–323

Article (Ukrainian)

Bases of exponentials in the spaces Ep(Dn) on a poly-polygon and the representation of the functions from this class in the form of sums of periodic functions

Ibragimov G. I.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 324–332

Article (Ukrainian)

Mixed products of multiplicative systems without discontinuities of the second kind

Kazachenko M. Yu.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 332–340

Article (Ukrainian)

Locally nilpotent groups with the min ? ∞ ? n

Kurdachenko L. A.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 340-346

Article (Ukrainian)

Coisotropic invariant tori of hamiltonian systems of the quasiclassical theory of motion of a conduction electron

Parasyuk I. O.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 346-351

Article (Ukrainian)

Metrizability in a space of subgroups of a Lie group

Panasyuk S. P.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 351-355

Article (Ukrainian)

Nonlinear Schrodinger equation on a semi-axis and an inverse problem associated with it

Sakhnovich A. L.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 356-363

Article (Ukrainian)

Growth of horizontal rays of analytic functions represented by Dirichlet series

Skaskiv O. B., Sorokivskii V. M.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 363-371

Article (Ukrainian)

A certain functional algebra

Chernov V. G.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 372-377

Article (Ukrainian)

Impulse systems with fixed moments of shocks of general position: The structure of the set of moments of the shocks

Trofimchuk E. P., Trofimchuk S. I.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 378–383

Article (Ukrainian)

A linear interpretation of the flag geometries of Chevalley groups

Ustimenko V. A.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 383–387

Article (Ukrainian)

An implicit canonical equation in Hilbert space

Krein S. G., Utochkina E. O.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 388-390

Article (Ukrainian)

A lower estimate of the sum of the capacities of condensers

Mityuk I. P.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 390-393

Article (Russian)

Analyticity with respect to a parameter of regular solutions of weakly nonlinear singularly perturbed problems

Safonov V. F.

↓ Abstract   |   Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 393-398

We consider a weakly nonlinear singular perturbed problem with right side independent of time. We show that the regularized asymptotic series obtained by Lomov's method are analytic with respect to the parameter and regularizing variables.

Article (Ukrainian)

Infinite-dimensional equations with the Levy Laplacian and some variational problems

Sokolovskii V. B.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 398-401

Article (Ukrainian)

Exponential stability of an invariant torus of a nonlinear countable system of differential equations

Avdeyuk P. I., Teplinsky Yu. V.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 401–405

Article (Ukrainian)

Approximation of weakly differentiable periodic functions

Bushev D. M., Stepanets O. I.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 406-412

Article (Ukrainian)

Inverse problem of the calculus of variation, its application to integration of an ordinary non-linear second order differential equation

Kabal'skii M. M.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 413-418

Article (Ukrainian)

Isomorphisms of Sylow p-subgroups of the restricted linear group II. Main theorem

Kosman E. G.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 418–421

Article (Ukrainian)

Self-adjointness of a certain integrodifferential operator

Lukovsky I. O., Timokha A. N.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 421-423

Article (Ukrainian)

Topological classification of nonhomogeneous differential equations

Nguen Van Min'

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 423–426

Article (Ukrainian)

Infinitesimal algebras for the hypercomplex system SO(4)//SO(2)

Podkolzin G. B.

Full text (.pdf)

Ukr. Mat. Zh. - 1990. - 42, № 3. - pp. 427–429