@article{1178242642,
author = {Abe, Kinetsu},
title = {A characterization of totally geodesic submanifolds in $S^N$ and $CP^N$ by an inequality},
journal = {Tohoku Math. J. (2)},
volume = {23},
number = {4},
year = {1971},
pages = { 219-244},
language = {en},
url = {http://dml.mathdoc.fr/item/1178242642}
}
Abe, Kinetsu. A characterization of totally geodesic submanifolds in $S^N$ and $CP^N$ by an inequality. Tohoku Math. J. (2), Tome 23 (1971) no. 4, pp. 219-244. http://gdmltest.u-ga.fr/item/1178242642/