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@article{DAN_1961_136_4_a7, author = {M. Ya. Kushul}, title = {The stability of forced oscillations in autorotating systems}, journal = {Doklady Akademii Nauk}, pages = {787--790}, publisher = {mathdoc}, volume = {136}, number = {4}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_136_4_a7/} }
M. Ya. Kushul. The stability of forced oscillations in autorotating systems. Doklady Akademii Nauk, Tome 136 (1961) no. 4, pp. 787-790. http://geodesic.mathdoc.fr/item/DAN_1961_136_4_a7/