%0 Journal Article %A M. I. Gil' %T Two-sided estimates for solutions of systems of linear differential equations %J Differencialʹnye uravneniâ %D 1987 %P 2031-2036 %V 23 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_12_a1/ %G ru %F DE_1987_23_12_a1