%0 Journal Article %A Charles A. Stuart %T Existence and Approximation of Solutions of Non-Linear Elliptic Equations. %J Mathematische Zeitschrift %D 1976 %P 53-64 %V 147 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1976__147_172319/ %F MZ_1976__147_172319