TY  - JOUR
AU  - P. Pedregal
AU  - V. Sverak
TI  - A Note on Quasiconvexity and Rank-One Convexity for 2x2 Matrices
JO  - Journal of convex analysis
PY  - 1998
SP  - 107
EP  - 118
VL  - 5
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_1998_5_1_a7/
ID  - JCA_1998_5_1_a7
ER  -