@Article{ cat11a, author = { Catino, Giovanni }, title = { Complete gradient shrinking Ricci solitons with pinched curvature }, journal = { Math. Ann. }, year = { 2013 }, volume = { 355 }, number = { 2 }, pages = { 629-635 }, URL = { http://cvgmt.sns.it/paper/126/ }, note = { cvgmt preprint} }