%0 Journal Article
%A Stefan Hildebrandt
%T Interior C1 + ...-Regularity of Solutions of Two-Dimesional Variational Problems with Obstacles.
%J Mathematische Zeitschrift
%D 1973
%P 233-240
%V 131
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1973__131_171893/
%F MZ_1973__131_171893