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@article{DE_1969_5_12_a0, author = {Ya. V. Bykov and T. Chinkaraev}, title = {The periodic vibrations of nonlinear systems with resonance. {III}}, journal = {Differencialʹnye uravneni\^a}, pages = {2115--2128}, publisher = {mathdoc}, volume = {5}, number = {12}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1969_5_12_a0/} }
Ya. V. Bykov; T. Chinkaraev. The periodic vibrations of nonlinear systems with resonance. III. Differencialʹnye uravneniâ, Tome 5 (1969) no. 12, pp. 2115-2128. http://geodesic.mathdoc.fr/item/DE_1969_5_12_a0/