@Article{ CatMas17, author = { Catino, Giovanni and Mastrolia, Paolo }, title = { A potential generalization of some canonical Riemannian metrics }, journal = { Ann. Glob. Anal. Geom. }, year = { 2019 }, volume = { 55 }, number = { 4 }, pages = { 719-748 }, URL = { http://cvgmt.sns.it/paper/3468/ }, note = { cvgmt preprint} }