%0 Journal Article %A Ch. A. Skhalyaho %T Zeros of the solutions of a two-dimensional differential system on a finite interval %J Differencialʹnye uravneniâ %D 1988 %P 1080-1083 %V 24 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_6_a31/ %G ru %F DE_1988_24_6_a31