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@article{DE_1984_20_8_a6, author = {A. F. Zubova}, title = {Investigation of the stability of oscillatory systems}, journal = {Differencialʹnye uravneni\^a}, pages = {1341--1348}, publisher = {mathdoc}, volume = {20}, number = {8}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1984_20_8_a6/} }
A. F. Zubova. Investigation of the stability of oscillatory systems. Differencialʹnye uravneniâ, Tome 20 (1984) no. 8, pp. 1341-1348. http://geodesic.mathdoc.fr/item/DE_1984_20_8_a6/