%0 Journal Article %A V. N. Vragov %T The smoothness of solutions of the first boundary value problem for a degenerate elliptic equation %J Differencialʹnye uravneniâ %D 1970 %P 209-212 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1970_6_1_a23/ %G ru %F DE_1970_6_1_a23