%0 Journal Article %A A. K. Gushchin %T A criterion for the existence of $L_p$ boundary values of solutions to an elliptic equation %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2018 %P 53-73 %V 301 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2018_301_a4/ %G ru %F TM_2018_301_a4