@Misc{ 
  Lem14,
  author = { Lemenant, Antoine },
  title = { A rigidity result for global Mumford-Shah minimizers in dimension three },
  journal = { Journal de math. pures et appliquées },
  year = { 2014 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2386/ },
  note = { cvgmt preprint}
}