@Article{ 
  novcascha08,
  author = { Caselles, Vicent and Chambolle, Antonin and Novaga, Matteo },
  title = { Some remarks on uniqueness and regularity of Cheeger sets },
  journal = { Rend. Sem. Mat. Padova },
  year = { 2010 },
  volume = { 123 },
  pages = { 191-201 },
  URL = { http://cvgmt.sns.it/paper/74/ },
  note = { cvgmt preprint}
}