@Article{ 
  belcascha07,
  author = { Bellettini, Giovanni and Caselles, Vicent and Chambolle, Antonin and Novaga, Matteo },
  title = { The volume preserving crystalline mean curvature flow of convex sets in $\mathbf R^N$ },
  journal = { J. Math. Pures Appl. },
  year = { 2009 },
  volume = { 92 },
  number = { 5 },
  pages = { 499-527 },
  URL = { http://cvgmt.sns.it/paper/770/ },
  note = { cvgmt preprint}
}