@Article{ 
  ChaNov13,
  author = { Chambolle, Antonin and Novaga, Matteo },
  title = { Existence and uniqueness for planar anisotropic and crystalline
  curvature flow },
  journal = { Advanced Studies in Pure Mathematics },
  year = { 2015 },
  volume = { 67 },
  pages = { 87-113 },
  URL = { http://cvgmt.sns.it/paper/2090/ },
  note = { cvgmt preprint}
}