@Article{ 
  alibrasha99,
  author = { Alicandro, Roberto and Braides, Andrea and Shah, Jayant },
  title = { Free-discontinuity problems via functionals involving the $L^1$-norm of the gradient and their approximations. },
  journal = { Interfaces Free Bound.  },
  year = { 1999 },
  volume = { 1 },
  pages = { 17-37 },
  URL = { http://cvgmt.sns.it/paper/1068/ },
  note = { cvgmt preprint}
}