@article{JCA_2007_14_1_JCA_2007_14_1_a5,
     author = {R. Alicandro and A. Corbo Esposito and C. Leone},
     title = {Relaxation in {BV} of {Integral} {Functionals} {Defined} on {Sobolev} {Functions} with {Values} in the {Unit} {Sphere}},
     journal = {Journal of convex analysis},
     pages = {69--98},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/JCA_2007_14_1_JCA_2007_14_1_a5/}
}