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@article{DE_1984_20_8_a4, author = {P. B. Golokvoschyus}, title = {Periodic solutions of a special differential system}, journal = {Differencialʹnye uravneni\^a}, pages = {1326--1332}, publisher = {mathdoc}, volume = {20}, number = {8}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1984_20_8_a4/} }
P. B. Golokvoschyus. Periodic solutions of a special differential system. Differencialʹnye uravneniâ, Tome 20 (1984) no. 8, pp. 1326-1332. http://geodesic.mathdoc.fr/item/DE_1984_20_8_a4/