@Article{ 
  dalfonleo07,
  author = { Dal Maso, Gianni and Fonseca, Irene and Leoni, Giovanni and Morini, Massimiliano },
  title = { A higher order model for image restoration: the one dimensional case },
  journal = { SIAM J. Math. Anal. },
  year = { 2009 },
  volume = { 40 },
  pages = { 2351-2391 },
  URL = { http://cvgmt.sns.it/paper/1470/ },
  note = { cvgmt preprint}
}