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@article{DE_1969_5_9_a2, author = {Ya. V. Bykov and T. Chinkaraev}, title = {The periodic vibrations of nonlinear systems with resonance. {I}}, journal = {Differencialʹnye uravneni\^a}, pages = {1558--1574}, publisher = {mathdoc}, volume = {5}, number = {9}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1969_5_9_a2/} }
Ya. V. Bykov; T. Chinkaraev. The periodic vibrations of nonlinear systems with resonance. I. Differencialʹnye uravneniâ, Tome 5 (1969) no. 9, pp. 1558-1574. http://geodesic.mathdoc.fr/item/DE_1969_5_9_a2/