%0 Journal Article %A G. N. Yakovlev %T A certain problem of A. V. Bicadze for degenerate elliptic equations %J Differencialʹnye uravneniâ %D 1968 %P 147-150 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_1_a13/ %G ru %F DE_1968_4_1_a13