@Article{ 
  CatManMaz15a,
  author = { Catino, Giovanni and Mantegazza, Carlo and Mazzieri, Lorenzo },
  title = { Locally conformally flat ancient Ricci flows },
  journal = { Anal. PDE },
  year = { 2015 },
  doi = { 10.2140/apde.2015.8.365 },
  volume = { 8 },
  number = { 2 },
  pages = { 365-371 },
  URL = { https://gecogedi.dimai.unifi.it/paper/63/ },
  note = { cvgmt preprint}
}