%0 Journal Article %A E. A. Barabanov %T The structure of the set of lower Perron exponents of a linear differential system %J Differencialʹnye uravneniâ %D 1986 %P 1843-1853 %V 22 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_11_a0/ %G ru %F DE_1986_22_11_a0