@article{1259942850,
author = {OTSUKI, Tominosuke},
title = {On principal normal vector fields of submanifolds in a Riemannian manifold of constant curvature},
journal = {J. Math. Soc. Japan},
volume = {22},
number = {2},
year = {1970},
pages = { 35-46},
language = {en},
url = {http://dml.mathdoc.fr/item/1259942850}
}
OTSUKI, Tominosuke. On principal normal vector fields of submanifolds in a Riemannian manifold of constant curvature. J. Math. Soc. Japan, Tome 22 (1970) no. 2, pp. 35-46. http://gdmltest.u-ga.fr/item/1259942850/