%0 Journal Article %A V. G. Maz'ya %A B. A. Plamenevskii %T On the asymptotic behavior of solutions of differential equations in Hilbert space %J Izvestiya. Mathematics %D 1972 %P 1067-1116 %V 6 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1972_6_5_a6/ %G en %F IM2_1972_6_5_a6