TY  - JOUR
AU  - Stefan Hildebrandt
TI  - Interior C1 + ...-Regularity of Solutions of Two-Dimesional Variational Problems with Obstacles.
JO  - Mathematische Zeitschrift
PY  - 1973
SP  - 233
EP  - 240
VL  - 131
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1973__131_171893/
ID  - MZ_1973__131_171893
ER  -