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@article{DE_1988_24_12_a17, author = {J. V. Rybalov}, title = {The {Neumann} problem for a degenerate elliptic equation in divergence form}, journal = {Differencialʹnye uravneni\^a}, pages = {2134--2143}, publisher = {mathdoc}, volume = {24}, number = {12}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1988_24_12_a17/} }
J. V. Rybalov. The Neumann problem for a degenerate elliptic equation in divergence form. Differencialʹnye uravneniâ, Tome 24 (1988) no. 12, pp. 2134-2143. http://geodesic.mathdoc.fr/item/DE_1988_24_12_a17/