%0 Journal Article %A J. V. Rybalov %T The Neumann problem for a degenerate elliptic equation in divergence form %J Differencialʹnye uravneniâ %D 1988 %P 2134-2143 %V 24 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_12_a17/ %G ru %F DE_1988_24_12_a17