%0 Journal Article %A V. P. Derevenskii %T Systems of matrix linear differential equations of first order %J Matematičeskie zametki %D 1999 %P 63-75 %V 66 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1999_66_1_a6/ %G ru %F MZM_1999_66_1_a6