TY  - JOUR
AU  - Michael Wiegner
TI  - On minima of variational problems with some nonconvex constraints.
JO  - Manuscripta mathematica
PY  - 1986
SP  - 149
EP  - 168
VL  - 57
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1986__57_155190/
ID  - MM2_1986__57_155190
ER  -