%0 Journal Article %A M. M. Khapaev %T On linear systems of ordinary differential equations %J Doklady Akademii Nauk %D 1982 %P 299-301 %V 266 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1982_266_2_a10/ %G ru %F DAN_1982_266_2_a10