@article{01780415, title = {Global pinching theorems of submanifolds in spheres.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {30}, year = {2002}, pages = {183-191}, doi = {10.1155/S0161171202106247}, zbl = {1014.53031}, language = {en}, url = {http://dml.mathdoc.fr/item/01780415} }
Cai, Kairen. Global pinching theorems of submanifolds in spheres.. International Journal of Mathematics and Mathematical Sciences, Tome 30 (2002) pp. 183-191. doi : 10.1155/S0161171202106247. http://gdmltest.u-ga.fr/item/01780415/