%0 Journal Article %A R. Kh. Israfilov %T Estimate of the relation of solutions of a differential equation with retarded argument of unstable type %J Differencialʹnye uravneniâ %D 1981 %P 738-740 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_4_a19/ %G ru %F DE_1981_17_4_a19