%0 Journal Article %A E. K. Makarov %T On the discreteness of asymptotic invariants of linear differential systems %J Differencialʹnye uravneniâ %D 1998 %P 1322-1331 %V 34 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1998_34_10_a4/ %G ru %F DE_1998_34_10_a4