@Article{ 
  micantfra02,
  author = { Carriero, Michele and Leaci, Antonio and Tomarelli, Franco },
  title = { Local Minimizers for a Free Gradient Discontinuity Problem in Image Segmentation },
  journal = { Progress in Nonlinear Differential Equations and Their Appl., Birkhauser },
  year = { 2002 },
  volume = { 51 },
  pages = { 67-81 },
  URL = { http://cvgmt.sns.it/paper/1349/ },
  note = { cvgmt preprint}
}