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@article{DE_1996_32_12_a1, author = {Yu. N. Bibikov}, title = {Quasiperiodic perturbations of an oscillator with a cubic restorative force}, journal = {Differencialʹnye uravneni\^a}, pages = {1593--1598}, publisher = {mathdoc}, volume = {32}, number = {12}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1996_32_12_a1/} }
Yu. N. Bibikov. Quasiperiodic perturbations of an oscillator with a cubic restorative force. Differencialʹnye uravneniâ, Tome 32 (1996) no. 12, pp. 1593-1598. http://geodesic.mathdoc.fr/item/DE_1996_32_12_a1/