@Article{ alibragel98, author = { Alicandro, Roberto and Braides, Andrea and Gelli, Maria Stella }, title = { Free-discontinuity problems generated by singular perturbation }, journal = { The Royal Soc. of Edinburgh }, year = { 1998 }, volume = { 128A }, pages = { 1115-1129 }, URL = { http://cvgmt.sns.it/paper/562/ }, note = { cvgmt preprint} }