%0 Journal Article %A V. I. Gorbachuk %A A. V. Knyazyuk %T Boundary values of solutions of operator-differential equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1989 %P 67-111 %V 44 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1989_44_3_a1/ %G en %F RM_1989_44_3_a1