%0 Journal Article %A I. V. Matrosov %T Estimates for solutions in critical cases of stability theory %J Differencialʹnye uravneniâ %D 1999 %P 745-754 %V 35 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_6_a4/ %G ru %F DE_1999_35_6_a4