TY - JOUR AU - R. Alicandro AU - A. Corbo Esposito AU - C. Leone TI - Relaxation in BV of Integral Functionals Defined on Sobolev Functions with Values in the Unit Sphere JO - Journal of convex analysis PY - 2007 SP - 69 EP - 98 VL - 14 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2007_14_1_JCA_2007_14_1_a5/ ID - JCA_2007_14_1_JCA_2007_14_1_a5 ER -