%0 Journal Article %A B. A. Plamenevskii %T On the asymptotic behavior of solutions of quasielliptic differential equations with operator coefficients %J Izvestiya. Mathematics %D 1973 %P 1327-1370 %V 7 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1973_7_6_a6/ %G en %F IM2_1973_7_6_a6