@Article{ 
  ChaGolNov12,
  author = { Chambolle, Antonin and Goldman, Michael and Novaga, Matteo },
  title = { Plane-like minimizers and differentiability of the stable norm },
  journal = { J. Geometric Analysis },
  year = { 2014 },
  volume = { 24 },
  number = { 3 },
  pages = { 1447-1489 },
  URL = { http://cvgmt.sns.it/paper/1834/ },
  note = { cvgmt preprint}
}