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@article{MZ_1971__121_171569, author = {Jens Frehse}, title = {A {Regularity} {Result} for {Nonlinear} {Elliptic} {Systems.}}, journal = {Mathematische Zeitschrift}, pages = {305--310}, publisher = {mathdoc}, volume = {121}, year = {1971}, zbl = {0219.35036}, url = {http://geodesic.mathdoc.fr/item/MZ_1971__121_171569/} }
Jens Frehse. A Regularity Result for Nonlinear Elliptic Systems.. Mathematische Zeitschrift, Tome 121 (1971), pp. 305-310. http://geodesic.mathdoc.fr/item/MZ_1971__121_171569/