%0 Journal Article %A D. D. Mirzov %T Oscillatory nature of the solutions of a differential system %J Differencialʹnye uravneniâ %D 1981 %P 1504-1508 %V 17 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_8_a20/ %G ru %F DE_1981_17_8_a20