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@article{MZ_1969__109_171139, author = {Neil S. Trudinger}, title = {Lipschitz {Continuous} {Solutions} of {Elliptic} {Equations} of the {Form} {...(Du)D{\texttwosuperior}u} = 0.}, journal = {Mathematische Zeitschrift}, pages = {211--216}, publisher = {mathdoc}, volume = {109}, year = {1969}, zbl = {0174.15801}, url = {http://geodesic.mathdoc.fr/item/MZ_1969__109_171139/} }
Neil S. Trudinger. Lipschitz Continuous Solutions of Elliptic Equations of the Form ...(Du)D²u = 0.. Mathematische Zeitschrift, Tome 109 (1969), pp. 211-216. http://geodesic.mathdoc.fr/item/MZ_1969__109_171139/