@article{GDZPPN002236036,
title = {Rigidity and sphere theorem for manifolds with positive Ricci Curvature.},
journal = {Manuscripta mathematica},
volume = {83},
year = {1994},
pages = {79-88},
zbl = {0821.53034},
url = {http://dml.mathdoc.fr/item/GDZPPN002236036}
}
Xia, Changyu. Rigidity and sphere theorem for manifolds with positive Ricci Curvature.. Manuscripta mathematica, Tome 83 (1994) pp. 79-88. http://gdmltest.u-ga.fr/item/GDZPPN002236036/