Theorems on instability of systems with respect to linear approximation by Slyusarchuk, V. E., Слюсарчук, В. Е., Слюсарчук, В. Е.

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Complexity of projective methods for the solution of ill-posed problems by Solodkii, S. G., Солодкий, С. Г., Солодкий, С. Г.

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On invariant tori of stochastic systems on a plane by Kopas', I. N., Stanzhitskii, A. N., Копась, И. Н., Станжицкий, А. Н., Копась, И. Н., Станжицкий, А. Н.

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$J$-fractional regularization of linear ill-posed equations by Syavavko, M. S., Сявавко, М. С.

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On periodic solutions of countable systems of linear and quasilinear difference equations with periodic coefficients by Samoilenko, M. V., Teplinsky, Yu. V., Самойленко, М. В., Теплинский, Ю. В., Самойленко, М. В., Теплинский, Ю. В.

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Strongly nonlinear degenerate elliptic equations with discontinuous coefficients. I by Bonafede, S., Бонафеде, С.

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Inner turning point in the theory of singular Perturbations by Bobochko, V. N., Бобочко, В. H., Бобочко, В. H.

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Chebyshev polynomial approximation on a closed subset with unique limit point and analytic extension of functions by Dovgoshei, A. A., Довгошей, А. А., Довгошей, А. А.

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On branches of small solutions of certain operator equations by Dymarskii, Ya. M., Дымарский, Я. М., Дымарский, Я. М.

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Generalization of Berg-Dimovski convolution in spaces of analytic functions by Zvozdetskii, T. I., Звоздецький, Т. І.

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On a Numerical-Analytic method for second-order difference equations by Iteiwi, A. M., Итейви, А. М., Итейви, А. М.

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Solvability of nonlinear elliptic systems with measure by Kalita, E. A., Калита, Е. А., Калита, Е. А.

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High-order asymptotics of a solution of one problem of optimal control over a distributed system with rapidly oscillating coefficients by Kogut, P. I., Когут, П. І.

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On the solvability of physically nonlinear problems of Thermoelasticity by Komarov, G. N., Oshkhunov, M. M., Комаров, Г. Н., Ошхунов, М. М., Комаров, Г. Н., Ошхунов, М. М.

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On the radii of convexity and starlikeness for some special classes of analytic functions in a disk by Kotsur, I. M., Kotsur, M. F., Коцур, И. М., Коцур, М. Ф., Коцур, И. М., Коцур, М. Ф.

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On the equivalence of the Euler-Pommier operators in spaces of analytic functions by Nagnibida, N. I., Нагнибіда, Н. І.

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Regularity of solutions of Degenerate Quasilinear Parabolic Equations (weighted case) by Skrypnik, I. I., Скрыпник, И. И., Скрыпник, И. И.

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Two-sided estimates of a solution of the Neumann problem as $t \rightarrow \infty$ for a second-order Quasilinear Parabolic Equation by Tedeev, A. F., Тедеев, А. Ф., Тедеев, А. Ф.

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Well-posedness of the cauchy problem for complete second-order operator-differential equations by Shklyar, A. Ya., Шкляр, А. Я., Шкляр, А. Я.

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Maximal sectorial extensions and closed forms associated with them by Arlinsky, Yu. M., Арлинский, Ю. М., Арлинский, Ю. М.

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