Separation of variables in two-dimensional wave equations with potential by Fushchich, V. I., Revenko, I. V., Zhdanov, R. Z., Фущич, В. І., Ребенко, І. В., Жданов, Р. З.

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Boundary-layer averaging for standard systems with lag by Efendiev, V. V., Zheltikov, V. P., Эфендиев, В. В., Желтиков, В. П., Эфендиев, В. В., Желтиков, В. П.

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Solution of Luzin's category problem on the existence of a primitive function by Ilmuradov, D. D., Илмурадов, Д. Д., Илмурадов, Д. Д.

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On the optimal reconstruction of the values of operators by Korneichuk, N. P., Корнейчук, Н. П., Корнейчук, Н. П.

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On the existence and properties of periodic solutions of discrete difference equations by Pelyukh, G. P., Пелюх, Г. П., Пелюх, Г. П.

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Averaging of aperiodic problems of control over fracture surfaces by Zverkova, T. S., Plotnikov, V. A., Slobodyanyuk, O. E., Звєркова, Т. С., Плотніков, В. А., Слободянюк, О. Е.

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On topological groups with weak minimality (maximality) condition for noncompact subgroups by Poletskikh, V. M., Shestakov, S. S., Полецких, В. М., Шестаков, С. С., Полецких, В. М., Шестаков, С. С.

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Investigation of a dynamical system in a neighborhood of an invariant toroidal manifold in the general case by Bazhura, B. P., Samoilenko, A. M., Бажура, Б. П., Самойленко, А. М., Бажура, Б. П., Самойленко, А. М.

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On the 75th birthday of Vyacheslav Alekseevich Dobrovol'skii by Bogolyubov, A. N., Valeyev, K. G., Tamrazov, P. M., Боголюбов, О. М., Валєєв, К. Г., Тамразов, П. М.

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BestL1-approximations of classes $W_1^r$ by Splines from $W_1^r$ by Babenko, V. F., Бабенко, В. Ф., Бабенко, В. Ф.

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Generalized Euler equations in quaternions by Koshlyakov, V. N., Кошляков, В. Н., Кошляков, В. Н.

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Approximate method for the solution of the generalized Dirichlet problem by Lopushanskaya, G. P., Лопушанська, Г. П.

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Central limit theorem for stochastically additive functionals of ergodic chains by Moskal'tsova, N. V., Shurenkov, V. M., Москальцова, Н. В., Шуренков, В. М., Москальцова, Н. В., Шуренков, В. М.

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On the rate of convergence of an unstable solution of a stochastic differential equation by Mynbaeva, G. U., Мынбаева, Г. У., Мынбаева, Г. У.

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On a hypothesis concerning Hamiltonians of canonical systems by Sakhnovich, L. A., Сахнович, Л. А., Сахнович, Л. А.

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Coapproximation of functions convex on a disk by algebraic polynomials by Budnik, V. G., Будник, В. Г.

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On the best polynomial approximation of entire transcendental functions in banach spaces. I by Vakarchuk, S. B., Вакарчук, С. Б.

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On generalized resolvents of Hermitian operators in Krein spaces by Derkach, V. A., Деркач, В. А.

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Construction of asymptotic representations of solutions from the classL?? for systems of differential equations by the method of characteristic matrix functions by Ivanyuk, N. N., Іванюк, М. М.

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Informativeness of functionals by Korneichuk, N. P., Корнійчук, М. П.

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