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@article{MZM_1971_9_4_a7, author = {I. V. Kamenev}, title = {A~sufficient condition for the oscillation of solutions of a~high-order differential equation}, journal = {Matemati\v{c}eskie zametki}, pages = {421--423}, publisher = {mathdoc}, volume = {9}, number = {4}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1971_9_4_a7/} }
I. V. Kamenev. A~sufficient condition for the oscillation of solutions of a~high-order differential equation. Matematičeskie zametki, Tome 9 (1971) no. 4, pp. 421-423. http://geodesic.mathdoc.fr/item/MZM_1971_9_4_a7/