@Article{ 
  CarTio22,
  author = { Johansson, Carl Johan Peter and Tione, Riccardo },
  title = { $T_5$ configurations and hyperbolic systems },
  journal = { Comm. Cont. Math. },
  year = { 2022 },
  doi = { https://doi.org/10.1142/S021919972250081X },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5838/ },
  note = { cvgmt preprint}
}