%0 Journal Article %A K. A. Abgaryan %T On the problem of the stability of linear time-dependent systems %J Doklady Akademii Nauk %D 1989 %P 1320-1321 %V 308 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_308_6_a8/ %G ru %F DAN_1989_308_6_a8