%0 Journal Article %A I. V. Marchenko %T The Sharp Upper Bound on the Mobility of the Highest Exponent of a Linear System Under Perturbations Whose Weighted Mean Is Small %J Differencialʹnye uravneniâ %D 2005 %P 1416-1418 %V 41 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2005_41_10_a16/ %G ru %F DE_2005_41_10_a16