@article{JRAM_1995__458_153676,
     author = {Andrea Braides and G. Buttazzo and Guy Bouchitt\'e},
     title = {Relaxation results for some free discontinuity problems.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--18},
     publisher = {mathdoc},
     volume = {458},
     year = {1995},
     zbl = {0817.49015},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1995__458_153676/}
}