%0 Journal Article %A V. N. Laptinskii %T On the theory of representations of integral matrices of linear differential systems %J Differencialʹnye uravneniâ %D 1970 %P 827-837 %V 6 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_5_a6/ %G ru %F DE_1970_6_5_a6