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@article{DE_1976_12_8_a4, author = {A. V. Dvorak}, title = {The conditional stability of an invariant torus of a dynamical system}, journal = {Differencialʹnye uravneni\^a}, pages = {1410--1416}, publisher = {mathdoc}, volume = {12}, number = {8}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1976_12_8_a4/} }
A. V. Dvorak. The conditional stability of an invariant torus of a dynamical system. Differencialʹnye uravneniâ, Tome 12 (1976) no. 8, pp. 1410-1416. http://geodesic.mathdoc.fr/item/DE_1976_12_8_a4/