%0 Journal Article %A O. P. Stepanovich %T On the deviations of Demidovich's characteristic exponents of linear diagonal systems under power perturbations %J Differencialʹnye uravneniâ %D 1996 %P 283-284 %V 32 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1996_32_2_a19/ %G ru %F DE_1996_32_2_a19