2019
Том 71
№ 9

All Issues

On invariant tori of countable systems of differential equations with delay

Elnazarov A. A., Samoilenko A. M.

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Abstract

We obtain conditions for the existence and smoothness of invariant tori of countable systems of differential equations with delay.

English version (Springer): Ukrainian Mathematical Journal 51 (1999), no. 9, pp 1454-1458.

Citation Example: Elnazarov A. A., Samoilenko A. M. On invariant tori of countable systems of differential equations with delay // Ukr. Mat. Zh. - 1999. - 51, № 9. - pp. 1292–1295.

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