@Article{ 
  FriMor18b,
  author = { Frigerio, Roberto and Moraschini, Marco },
  title = { On volumes of hyperideal tetrahedra with constrained edge lengths },
  journal = { Periodica Mathematica Hungarica },
  year = { 2019 },
  doi = { https://doi.org/10.1007/s10998-018-00277-8 },
  pages = {  },
  URL = { https://gecogedi.dimai.unifi.it/paper/358/ },
  note = { cvgmt preprint}
}