Invariant sets of systems with instantaneous changes in standard form
English version (Springer): Ukrainian Mathematical Journal 25 (1973), no. 1, pp 106-110.
Citation Example: Perestyuk N. A., Samoilenko A. M. Invariant sets of systems with instantaneous changes in standard form // Ukr. Mat. Zh. - 1973. - 25, № 1. - pp. 129-134.
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