%0 Journal Article %A B. F. Bylov %T Reduction of a linear system to block-triangular form %J Differencialʹnye uravneniâ %D 1987 %P 2027-2031 %V 23 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_12_a0/ %G ru %F DE_1987_23_12_a0