@article{1178243844,
author = {Hatakeyama, Yoji},
title = {Some notes on differentiable manifolds with almost contact structures},
journal = {Tohoku Math. J. (2)},
volume = {15},
number = {4},
year = {1963},
pages = { 176-181},
language = {en},
url = {http://dml.mathdoc.fr/item/1178243844}
}
Hatakeyama, Yoji. Some notes on differentiable manifolds with almost contact structures. Tohoku Math. J. (2), Tome 15 (1963) no. 4, pp. 176-181. http://gdmltest.u-ga.fr/item/1178243844/