%0 Journal Article
%A Changyu Xia
%T Rigidity and sphere theorem for manifolds with positive Ricci Curvature.
%J Manuscripta mathematica
%D 1994
%P 79-88
%V 85
%N 3-4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1994__85_3-4_156009/
%F MM2_1994__85_3-4_156009