@Misc{ CatMasDar16, author = { Catino, Giovanni and Dario Daniele Monticelli, and Mastrolia, Paolo }, title = { Gradient Ricci solitons with vanishing conditions on Weyl }, journal = { }, year = { 2016 }, pages = { }, URL = { https://gecogedi.dimai.unifi.it/paper/526/ }, note = { cvgmt preprint} }