@article{JCA_2012_19_3_JCA_2012_19_3_a7,
     author = {O. Anza Hafsa and J.-P. Mandallena},
     title = {Relaxation and 3d-2d {Passage} {Theorems} in {Hyperelasticity}},
     journal = {Journal of convex analysis},
     pages = {759--794},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {2012},
     url = {http://geodesic.mathdoc.fr/item/JCA_2012_19_3_JCA_2012_19_3_a7/}
}