%0 Journal Article %A P. B. Golokvoschyus %T The integral matrix of a certain system of differential equations %J Differencialʹnye uravneniâ %D 1969 %P 626-640 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_4_a2/ %G ru %F DE_1969_5_4_a2