Scalar operators equal to the product of unitary roots of the identity operator by Samoilenko, Yu. S., Yakymenko, D. Yu., Самойленко, Ю. С., Якименко, Д. Ю., Самойленко, Ю. С., Якименко, Д. Ю.

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On the chain equivalence of projective chain complexes by Khmelnitskii, N. A., Хмельницкий, Н. А., Хмельницкий, Н. А.

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Optimality conditions in problems of control over systems of impulsive differential equations with nonlocal boundary conditions by Sharifov, Ya. A., Шарифов, Я. А., Шарифов, Я. А.

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On the Gauss sums and generalized Bernoulli numbers by Gao, J., Liu, He-guo, Гао, Дж., Лю, Хе-го

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On the boundary behavior of open discrete mappings with unbounded characteristic by Sevost'yanov, E. A., Севостьянов, Е. А., Севостьянов, Е. А.

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On generalized solutions of differential equations with several operator coefficients by Chernobai, O. B., Чернобай, О. Б.

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Impulsive differential inclusions involving evolution operators in separable Banach spaces by Benchohra, M., Nieto, J. J., Ouahab, A., Беньчохра, М., Ньєто, Дж. Дж., Оахаб, А.

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Local deformations of positive-definite quadratic forms by Bondarenko, V. V., Bondarenko, V. M., Pereguda, Yu. N., Бондаренко, В. В., Бондаренко, В. М., Перегуда, Ю. Н., Бондаренко, В. В., Бондаренко, В. М., Перегуда, Ю. Н.

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$C_\lambda$-semiconservative $FK$-spaces by Dagadur, I., Дагадур, І.

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The block by block method with Romberg quadrature for solving nonlinear Volterra integral equations on the large intervals by Katani, R., Shahmorad, S., Катані, Р., Шахмурад, С.

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On the Dirichlet problem for the Beltrami equations in finitely connected domains by Kovtonyuk, D. A., Petkov, I. V., Ryazanov, V. I., Ковтонюк, Д. А., Петков, И. В., Рязанов, В. И., Ковтонюк, Д. А., Петков, И. В., Рязанов, В. И.

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On the representation by bivariate ridge functions by Aliev, R. A., Asgarova, A. A., Ismailov, V. E., Aliev, Rashid, Asgarova, Aysel, Ismailov, Vugar, Aliev, R. A., Asgarova, A. A., Ismailov, V. E.

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Problem with pulse action for systems with Bessel?Kolmogorov operators by Konarovska, M. I., Конаровська, М. І.

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Exact order of approximation of periodic functions by one nonclassical method of summation of Fourier series by Kotova, O. V., Trigub, R. M., Котова, О. В., Тригуб, Р. М., Котова, О. В., Тригуб, Р. М.

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Asymptotic m-phase soliton-type solutions of a singularly perturbed Korteweg?de Vries equation with variable coefficients by Samoilenko, V. G., Samoilenko, Yu. I., Самойленко, В. Г., Самойленко, Юл. І.

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Conditions for balance between survival and ruin by Gusak, D. V., Гусак, Д. В.

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On transformation formulae for theta hypergeometric functions by Denis, R. Y., Singh, S. N., Singh, S. P., Деніс, Р. Ю., Сінгх, С. Н., Сінгх, С. П.

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Denseness of the set of Cauchy problems with nonunique solutions in the set of all Cauchy problems by Slyusarchuk, V. Yu., Слюсарчук, В. Ю.

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Approximation of some classes of functions of many variables by harmonic splines by Babenko, V. F., Leskevich, T. Yu., Бабенко, В. Ф., Лескевич, Т. Ю., Бабенко, В. Ф., Лескевич, Т. Ю.

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On the best polynomial approximation in the space L2 and widths of some classes of functions by Vakarchuk, S. B., Zabutnaya, V. I., Вакарчук, С. Б., Забутная, В. И., Вакарчук, С. Б., Забутная, В. И.

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