@Article{ cat11, author = { Catino, Giovanni }, title = { Generalized quasi-Einstein manifolds with harmonic Weyl tensor }, journal = { Math. Z. }, year = { 2012 }, volume = { 271 }, number = { 3-4 }, pages = { 751-756 }, URL = { http://cvgmt.sns.it/paper/553/ }, note = { cvgmt preprint} }