@Misc{ 
  MagRig21,
  author = { Magnabosco, Mattia and Rigoni, Chiara },
  title = { Optimal maps and local-to-global property in negative dimensional spaces
  with Ricci curvature bounded from below },
  journal = {  },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5144/ },
  note = { cvgmt preprint}
}