%0 Journal Article %A M. Bousselsal %A B. Brighi %T Rank-One-Convex and Quasiconvex Envelopes for Functions Depending on Quadratic Forms %J Journal of convex analysis %D 1997 %P 305-321 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_1997_4_2_a6/ %F JCA_1997_4_2_a6