TY  - JOUR
AU  - A. Mielke
TI  - Necessary and Sufficient Conditions for Polyconvexity of Isotropic Functions
JO  - Journal of convex analysis
PY  - 2005
SP  - 291
EP  - 314
VL  - 12
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_2005_12_2_JCA_2005_12_2_a3/
ID  - JCA_2005_12_2_JCA_2005_12_2_a3
ER  -