@Misc{ 
  LeDFre18,
  author = { Freeman, David and Le Donne, Enrico },
  title = { Toward a quasi-Möbius characterization of Invertible Homogeneous Metric Spaces },
  journal = {  },
  year = { 2018 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4141/ },
  note = { cvgmt preprint}
}