TY  - JOUR
AU  - Changyu Xia
TI  - Rigidity and sphere theorem for manifolds with positive Ricci Curvature.
JO  - Manuscripta mathematica
PY  - 1994
SP  - 79
EP  - 88
VL  - 85
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1994__85_3-4_156009/
ID  - MM2_1994__85_3-4_156009
ER  -