@Misc{ 
  Cat21,
  author = { Catino, Giovanni },
  title = { Metrics of constant negative scalar-Weyl curvature },
  journal = {  },
  year = { 2021 },
  pages = {  },
  URL = { https://gecogedi.dimai.unifi.it/paper/514/ },
  note = { cvgmt preprint}
}