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@article{MZ_1993__214_1_174594, author = {Giovanni Gregori}, title = {On a general class of elliptic equations in devergence.}, journal = {Mathematische Zeitschrift}, pages = {683--695}, publisher = {mathdoc}, volume = {214}, number = {1}, year = {1993}, zbl = {0790.35030}, url = {http://geodesic.mathdoc.fr/item/MZ_1993__214_1_174594/} }
Giovanni Gregori. On a general class of elliptic equations in devergence.. Mathematische Zeitschrift, Tome 214 (1993) no. 1, pp. 683-695. http://geodesic.mathdoc.fr/item/MZ_1993__214_1_174594/