%0 Journal Article %A L. Bandeira %A A. Ornelas %T On the Characterization of a Class of Laminates for 2 × 2 Symmetric Gradients %J Journal of convex analysis %D 2011 %P 37-58 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2011_18_1_JCA_2011_18_1_a1/ %F JCA_2011_18_1_JCA_2011_18_1_a1