@article{1178244170,
author = {Tachibana, Shun-ichi and Okumura, Masafumi},
title = {On the almost-complex structure of tangent bundles of Riemannian spaces},
journal = {Tohoku Math. J. (2)},
volume = {14},
number = {4},
year = {1962},
pages = { 156-161},
language = {en},
url = {http://dml.mathdoc.fr/item/1178244170}
}
Tachibana, Shun-ichi; Okumura, Masafumi. On the almost-complex structure of tangent bundles of Riemannian spaces. Tohoku Math. J. (2), Tome 14 (1962) no. 4, pp. 156-161. http://gdmltest.u-ga.fr/item/1178244170/