%0 Journal Article %A A. K. Gushchin %T The boundary values of solutions of an elliptic equation %J Sbornik. Mathematics %D 2019 %P 1724-1752 %V 210 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2019_210_12_a3/ %G en %F SM_2019_210_12_a3