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@article{DE_1966_2_4_a3, author = {A. S. Bakay}, title = {Resonance phenomena in nonlinear systems}, journal = {Differencialʹnye uravneni\^a}, pages = {479--491}, publisher = {mathdoc}, volume = {2}, number = {4}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1966_2_4_a3/} }
A. S. Bakay. Resonance phenomena in nonlinear systems. Differencialʹnye uravneniâ, Tome 2 (1966) no. 4, pp. 479-491. http://geodesic.mathdoc.fr/item/DE_1966_2_4_a3/