@Misc{ 
  GolRig18,
  author = { Golo, Sebastiano and Rigot, Severine },
  title = { The Besicovitch covering property in the Heisenberg group revisited },
  journal = {  },
  year = { 2018 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3835/ },
  note = { cvgmt preprint}
}