%0 Journal Article %A V. M. Ivakin %T A modified Dirichlet problem for a degenerate elliptic equation %J Differencialʹnye uravneniâ %D 1981 %P 866-872 %V 17 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_5_a10/ %G ru %F DE_1981_17_5_a10