%0 Journal Article %A Yu. F. Dolgii %A S. D. Sazhina %T An estimate of exponential stability of systems with delay by the method of approximating systems %J Differencialʹnye uravneniâ %D 1985 %P 2046-2052 %V 21 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1985_21_12_a2/ %G ru %F DE_1985_21_12_a2