The existence of the invariant toroidal manifold of a countable system of differential equations with impulsive action
English version (Springer): Ukrainian Mathematical Journal 29 (1977), no. 6, pp 623-627.
Citation Example: Teplinsky Yu. V. The existence of the invariant toroidal manifold of a countable system of differential equations with impulsive action // Ukr. Mat. Zh. - 1977. - 29, № 6. - pp. 835–841.
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