Vol 46 No 7 (1994) | Ukrains’kyi Matematychnyi Zhurnal

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Published: 25.07.1994

Research articles

Boundary-value problems for hyperbolic equations with constant coefficients

I. O. Bobyk, B. I. Ptashnik

795–802
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- Springer
Dirichlet problem for the Poisson equation with an essentially infinite-dimensional elliptic operator

Yu. V. Bogdanskii

803–808
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- Springer
On the behavior of solutions of operator-differential equations at infinity

A. A. Butyrin

809–813
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Exact values of mean $n$-widths for the classes of functions analytic in the upper half plane in the Hardy space

S. B. Vakarchuk

814–824
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- Springer
Convergence of an algorithm for constructing snakes

V. K. Dzyadyk, V. V. Kovtunets

825–832
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- Springer
On conditions for oscillation and nonoscillation of the solutions of a semilinear second-order differential equation

V. M. Evtukhov

833–841
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On differential properties of real functions

D. D. Ilmuradov

842–848
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- Springer
Generalized Green's matrix for linear pulse boundary-value problems

L. I. Karandzhulov

849–856
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On the evolution operators for some equations of mathematical physics with variable coefficients

S. Kochmanski

857–869
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Limiting distributions of the solutions of the many-dimensional Bürgers equation with random initial data. I

N. N. Leonenko, E. Orsingher, K. V. Rybasov

870–877
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- Springer
Essential normality of some classes of operators in tensor products of Hilbert spaces

V. O. Livinskii

878–885
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- Springer
Characteristics of the sum of a multidimensional series

V. Yu. Makarov

886–892
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On the exact degree of complexity of a class of operator equations of the second kind in a Hilbert space

K. Sh. Makhkamov

893–903
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Reduction and coisotropic invariant tori of Hamiltonian systems with non-poisson commutative symmetries. II

I. O. Parasyuk

904–914
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On Kolmogorov widths of classes $B^r_{p, \theta}$ of periodic functions of many variables with low smoothness in the space $L_q$

A. S. Romanyuk

915–926
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- Springer
Selection of regular direct summands from matrix polynomials

B. Z. Shavarovskyy

927–934
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Handle decompositions of simply connected five-manifolds. III

Yu. A. Shkol’nikov

935–940
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Short communications

Story of rational approximation for the class of Stieltjes functions: From Stieltjes to recent optimal estimations of errors

J. Gilewicz

941–943
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Boundedness of solutions and asymptotic properties of some systems of differential equations

V. G. Gorodetskii

944–946
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- Springer
Representations of solutions of nonlocal boundary-value problems for parabolic equations

L. I. Korbut, M. I. Matychuk

947–951
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- Springer
Polynomial approximations of solutions of higher-order operator-differential equations

G. D. Orudzhev

952–955
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- Springer
Coordinated approximation method for nonlinear ill-posed problems

Ky Anh. Pham

956-961
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Properties of nonstationary boundary operators in a full scale of Sobolev-type spaces

I. Yu. Chudinovich

962–965
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- Springer