@Article{ 
  CatMaz16,
  author = { Catino, Giovanni and Mazzieri, Lorenzo },
  title = { Gradient Einstein solitons },
  journal = { Nonlinear Anal. },
  year = { 2016 },
  doi = { 10.1016/j.na.2015.10.021 },
  volume = { 132 },
  pages = { 66-94 },
  URL = { https://gecogedi.dimai.unifi.it/paper/240/ },
  note = { cvgmt preprint}
}