@article{1178243242,
author = {Okumura, Masafumi},
title = {Certain hypersurfaces of an odd dimensional sphere},
journal = {Tohoku Math. J. (2)},
volume = {19},
number = {4},
year = {1967},
pages = { 381-395},
language = {en},
url = {http://dml.mathdoc.fr/item/1178243242}
}
Okumura, Masafumi. Certain hypersurfaces of an odd dimensional sphere. Tohoku Math. J. (2), Tome 19 (1967) no. 4, pp. 381-395. http://gdmltest.u-ga.fr/item/1178243242/