%0 Journal Article %A Stefan Hildebrandt %A Kjell-Ove Widman %T Some Regularity Results for Quasilinear Elliptic Systems of Second Order. %J Mathematische Zeitschrift %D 1975 %P 67-86 %V 142 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1975__142_172183/ %F MZ_1975__142_172183