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@article{DE_1973_9_3_a28, author = {J. D. Mirzov}, title = {The oscillatoriness of the solutions of a system of nonlinear differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {581--583}, publisher = {mathdoc}, volume = {9}, number = {3}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_3_a28/} }
J. D. Mirzov. The oscillatoriness of the solutions of a system of nonlinear differential equations. Differencialʹnye uravneniâ, Tome 9 (1973) no. 3, pp. 581-583. http://geodesic.mathdoc.fr/item/DE_1973_9_3_a28/