@Misc{ 
  belfusa,
  author = { Bellettini, Giovanni and Fusco, Giorgio },
  title = { The Gamma limit and the related gradient flow for singular perturbation funtionals of Perona-Malik type },
  journal = {  },
  year = { 2004 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/450/ },
  note = { cvgmt preprint}
}