@Article{ 
  ComTor16,
  author = { Comi, Giovanni Eugenio and Torres, Monica },
  title = { One-sided approximation of sets of finite perimeter },
  journal = { Atti Accad. Naz. Lincei Rend. Lincei Mat. Appl. },
  year = { 2017 },
  doi = { 10.4171/RLM/757 },
  volume = { 28 },
  number = { 1 },
  pages = { 181-190 },
  URL = { http://cvgmt.sns.it/paper/3205/ },
  note = { cvgmt preprint}
}