@Misc{ 
  PinVer24,
  author = { Pinamonti, Andrea and Verzellesi, Simone },
  title = { A characterization of horizontally totally geodesic hypersurfaces in Heisenberg groups },
  journal = {  },
  year = { 2024 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6353/ },
  note = { cvgmt preprint}
}