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Vol. 43 No. 3 (1991)
Vol. 43 No. 3 (1991)
Published:
28.02.1991
Research articles
Problems of saturation of linear methods
V. T. Gavrilyuk , A. I. Stepanets
291-308
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Periodic solutions of quasi-linear impulse systems in a critical case
M. U. Akhmetov , N. A. Perestyuk
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Averaging in parabolic systems subjected to weakly dependent random effects. $L_2$-approach
В. V. Bondarev
315-322
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Asymptotic properties of correlation estimates in the functional spaces. II
V. V. Buldygin , V. V. Zayats
322-329
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Quasi-variance of the modulus of homotopical classes of curves and Teichmuller’s problem
A. Yu. Vasiliev
329-336
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Limiting theorems for the best polynomial approximations in $L_\infty$ metrics
M. I. Ganzburg
336-342
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On integral representations in the Hardi classes and on the best approximations in some functional spaces
A. A. Dovgoshei
342-347
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On variational problems of the theory of potential
N. V. Zoriy
347-354
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Strong consistency of the estimate for the fourth order moment function of the stationary random process
Le Fe Do
354-358
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On a class of boundary value problems in the theory of surface waves
I. A. Lukovsky , A. N. Timokha
359-364
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On solubility of problems of clectromagnetoelasticity with memory
Yu. A. Mitropolsky , I. Kurbanov
365-374
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On self-conjugate operators generated nonhomogeneous elliptical problems with discontinuity boundary conditions and conditions of conjugacy
L. P. Nizhnik , L. A. Taraborkin
374-381
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On lowering the order of gyroscopic systems
F. U. Nosirov
381-389
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On existence and uniqueness of solutions of the sets of nonlinear differential-difference equations of neutral type bounded on the whole axis
A. M. Samoilenko , G. P. Pelyukh
390-394
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Conditional invariance of the nonlinear wave equation
V. I. Fushchich , N. I. Serov
394-399
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On integral functions with derivatives univalent in a circle
M. N. Sheremeta
400-406
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Mutual spectrum of commutating conjugate operators and correctness and stability criteria for differential-operator equations
A. Ya. Shklyar
406-414
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Short communications
Inequality of the Bernshtein type for polynomial splines in the space $L_2$
V. F. Babenko , S. A. Pichugov
420-422
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On properties of continuous mapings of nonlimited metric spaces
N. A. Davydov
422-427
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On the polynomial approximation of solution for the Cauchy problem
Z. I. Ismailov
427-429
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Average quadratic error of the estimate of the first order splines in the model of linear regression
M. Yu. Petunina
429-432
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On some boundary value problems for linear multidimensional hyperbolic equations of the second order
S. A. Aldashev
415-420
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