%0 Journal Article %A Ya. A. Roitberg %T On boundary values of generalized solutions of elliptic equations %J Sbornik. Mathematics %D 1971 %P 241-260 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1971_15_2_a4/ %G en %F SM_1971_15_2_a4