%0 Journal Article %A Neil S. Trudinger %T Lipschitz Continuous Solutions of Elliptic Equations of the Form ...(Du)D²u = 0. %J Mathematische Zeitschrift %D 1969 %P 211-216 %V 109 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1969__109_171139/ %F MZ_1969__109_171139