%0 Journal Article %A V. P. Mikhailov %T Existence of limit values of the~solutions of a~polyharmonic equation on the~boundary of a~domain %J Sbornik. Mathematics %D 1996 %P 1665-1690 %V 187 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1996_187_11_a3/ %G en %F SM_1996_187_11_a3