%0 Journal Article %A J. D. Mirzov %T The oscillatoriness of the solutions of a system of nonlinear differential equations %J Differencialʹnye uravneniâ %D 1973 %P 581-583 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_3_a28/ %G ru %F DE_1973_9_3_a28