%0 Journal Article %A G. N. Yakovlev %T The first boundary value problem for a certain elliptic equation which degenerates on the boundary of the domain %J Differencialʹnye uravneniâ %D 1968 %P 140-146 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_1_a12/ %G ru %F DE_1968_4_1_a12