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@article{DAN_1970_193_1_a3, author = {Yu. I. Domshlak}, title = {On the oscillation of solutions of vector differential equations}, journal = {Doklady Akademii Nauk}, pages = {21--23}, publisher = {mathdoc}, volume = {193}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1970_193_1_a3/} }
Yu. I. Domshlak. On the oscillation of solutions of vector differential equations. Doklady Akademii Nauk, Tome 193 (1970) no. 1, pp. 21-23. http://geodesic.mathdoc.fr/item/DAN_1970_193_1_a3/