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@article{DAN_1981_258_2_a12, author = {B. I. Kryukov and G. I. Seredovich}, title = {``Strange'' behavior of solutions of the {Duffing} equations}, journal = {Doklady Akademii Nauk}, pages = {311--314}, publisher = {mathdoc}, volume = {258}, number = {2}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1981_258_2_a12/} }
B. I. Kryukov; G. I. Seredovich. ``Strange'' behavior of solutions of the Duffing equations. Doklady Akademii Nauk, Tome 258 (1981) no. 2, pp. 311-314. http://geodesic.mathdoc.fr/item/DAN_1981_258_2_a12/