@Article{ Li11, author = { Li, Yi }, title = { Harnack inequality for the negative power Gaussian curvature flow }, journal = { Proceedings of the American Mathematical Society }, year = { 2011 }, volume = { 139 }, number = { 10 }, pages = { 3707-3717 }, URL = { http://cvgmt.sns.it/paper/3288/ }, note = { cvgmt preprint} }