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@article{JRAM_1997__485_183541, author = {David Preiss}, title = {Additional regularity for {Lipschitz} solutions of {PDE.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {197--208}, publisher = {mathdoc}, volume = {485}, year = {1997}, zbl = {0870.35022}, url = {http://geodesic.mathdoc.fr/item/JRAM_1997__485_183541/} }
David Preiss. Additional regularity for Lipschitz solutions of PDE.. Journal für die reine und angewandte Mathematik, Tome 485 (1997), pp. 197-208. http://geodesic.mathdoc.fr/item/JRAM_1997__485_183541/