%0 Journal Article %A S. M. Artem'eva %T Asymptotic invariants of multidimensional linear differential equations with functionally-commutative operators %J Differencialʹnye uravneniâ %D 1995 %P 1617-1621 %V 31 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_10_a1/ %G ru %F DE_1995_31_10_a1