@Article{ 
  aubblamar05,
  author = { Aubert, Gilles and Blanc-Feraud, Laure and March, Riccardo },
  title = { An approximation of Mumford-Shah energy by a family of discrete edge-preserving functionals },
  journal = { Nonlinear Analysis - Theory, Methods and Applications },
  year = { 2006 },
  volume = { 64 },
  number = { 9 },
  pages = { 1908-1930 },
  URL = { http://cvgmt.sns.it/paper/1365/ },
  note = { cvgmt preprint}
}