%0 Journal Article %A N. A. Izobov %A A. V. Filiptsov %T Lower Perron exponents of linear systems with diagonal approximation and with exponentially decreasing perturbations %J Differencialʹnye uravneniâ %D 1995 %P 197-205 %V 31 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_2_a1/ %G ru %F DE_1995_31_2_a1