@Misc{ 
  Cat11,
  author = { Catino, Giovanni },
  title = { Complete gradient shrinking Ricci solitons with pinched curvature },
  journal = {  },
  year = { 2011 },
  pages = {  },
  URL = { https://gecogedi.dimai.unifi.it/paper/538/ },
  note = { cvgmt preprint}
}