On the existence and stability of periodic and almost periodic solutions of quasilinear equations with maxima by Bantsur, N. R., Trofimchuk, E. P., Банцур, Н. Р., Трофімчук, О. П.

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A. M. Samoilenko's numerical-analytic method without determining equation by Kovalenko, O. V., Trofimchuk, E. P., Коваленко, О. В., Трофимчук, Е. П., Коваленко, О. В., Трофимчук, Е. П.

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On regularity of linear systems with a degenerate matrix by the derivative by Symокоп, V. G., Trofimchuk, E. P., Симоконь, В. X., Трофимчук, Е. П., Симоконь, В. X., Трофимчук, Е. П.

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