@article{COMIM_2015__23_1_a5, author = {Wu, Xi Guo and Lan}, title = {The gap theorems for some extremal submanifolds in a unit sphere}, journal = {Communications in Mathematics}, pages = {85--93}, publisher = {mathdoc}, volume = {23}, number = {1}, year = {2015}, mrnumber = {3394079}, zbl = {1342.53077}, language = {en}, url = {http://geodesic.mathdoc.fr/item/COMIM_2015__23_1_a5/} }