%0 Journal Article %A B. F. Bylov %A V. S. Ermolin %T A comparison of the properties of the solutions of a quasi-triangular and a quasi-diagonal system %J Differencialʹnye uravneniâ %D 1978 %P 1696-1697 %V 14 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_9_a20/ %G ru %F DE_1978_14_9_a20