TY  - JOUR
AU  - Michael Wiegner
TI  - On Two-Dimensional Elliptic Systems with a One-sided Condition.
JO  - Mathematische Zeitschrift
PY  - 1981
SP  - 493
EP  - 500
VL  - 178
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1981__178_173118/
ID  - MZ_1981__178_173118
ER  -