%0 Journal Article
%A Jens Frehse
%T On Two-Dimensional Quasi-Linear Elliptic Systems.
%J Manuscripta mathematica
%D 1979
%P 21-50
%V 28
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1979__28_154627/
%F MM2_1979__28_154627