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@article{DE_1971_7_5_a15, author = {I. V. Kamenev}, title = {The oscillatoriness of the solutions of a nonlinear equation of higher order}, journal = {Differencialʹnye uravneni\^a}, pages = {927--929}, publisher = {mathdoc}, volume = {7}, number = {5}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1971_7_5_a15/} }
I. V. Kamenev. The oscillatoriness of the solutions of a nonlinear equation of higher order. Differencialʹnye uravneniâ, Tome 7 (1971) no. 5, pp. 927-929. http://geodesic.mathdoc.fr/item/DE_1971_7_5_a15/