@Article{ 
  CatMas18,
  author = { Catino, Giovanni and Mastrolia, Paolo },
  title = { Weyl scalars on compact Ricci solitons },
  journal = { J. Geom. Anal. },
  year = { 2019 },
  volume = { 29 },
  number = { 4 },
  pages = { 3328-3344 },
  URL = { http://cvgmt.sns.it/paper/3860/ },
  note = { cvgmt preprint}
}