%0 Journal Article %A I. I. Matveeva %T The variational method for the solution of degenerate elliptic equations in a half-space %J Differencialʹnye uravneniâ %D 1977 %P 489-496 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_3_a12/ %G ru %F DE_1977_13_3_a12