%0 Journal Article %A S. A. Mazanik %T Asymptotically equivalent two-dimensional linear differential systems %J Differencialʹnye uravneniâ %D 1981 %P 220-226 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_2_a2/ %G ru %F DE_1981_17_2_a2