%0 Journal Article %A O. I. Morozov %T A criterion for upper semistability of the highest Lyapunov exponent of a nonhomogeneous linear system %J Differencialʹnye uravneniâ %D 1992 %P 587-593 %V 28 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_4_a4/ %G ru %F DE_1992_28_4_a4