%0 Journal Article %A N. A. Izobov %T The highest exponent of a linear system with exponential perturbations %J Differencialʹnye uravneniâ %D 1969 %P 1186-1192 %V 5 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_7_a3/ %G ru %F DE_1969_5_7_a3