Study of a dynamical system in a neighborhood of an invariant toroidal manifold
English version (Springer): Ukrainian Mathematical Journal 43 (1991), no. 4, pp 489–496.
Citation Example: Samoilenko A. M. Study of a dynamical system in a neighborhood of an invariant toroidal manifold // Ukr. Mat. Zh. - 1991. - 43, № 4. - pp. 530-537.
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