@article{1178243448,
author = {Sakai, Takashi},
title = {Some transformations on $K$-contact and normal contact Riemannian manifolds},
journal = {Tohoku Math. J. (2)},
volume = {18},
number = {4},
year = {1966},
pages = { 216-224},
language = {en},
url = {http://dml.mathdoc.fr/item/1178243448}
}
Sakai, Takashi. Some transformations on $K$-contact and normal contact Riemannian manifolds. Tohoku Math. J. (2), Tome 18 (1966) no. 4, pp. 216-224. http://gdmltest.u-ga.fr/item/1178243448/