%0 Journal Article %A V. P. Il'in %T On the complete continuity of the imbedding operator for an unbounded domain %J Doklady Akademii Nauk %D 1960 %P 517-519 %V 135 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_135_3_a2/ %G ru %F DAN_1960_135_3_a2