%0 Journal Article %A P. B. Golokvoschyus %T A construction of the fundamental matrix of solutions of a certain system of differential equations, and a study of its behavior %J Differencialʹnye uravneniâ %D 1977 %P 815-825 %V 13 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_5_a2/ %G ru %F DE_1977_13_5_a2