@article{1138846368,
author = {Yano, Kentaro and Okumura, Masafumi},
title = {Invariant hypersurfaces of a manifold with $(f,\,g,\,u,\,v,\,\l ambda)$-structure},
journal = {Kodai Math. Sem. Rep.},
volume = {23},
number = {1},
year = {1971},
pages = { 290-304},
language = {en},
url = {http://dml.mathdoc.fr/item/1138846368}
}
Yano, Kentaro; Okumura, Masafumi. Invariant hypersurfaces of a manifold with $(f,\,g,\,u,\,v,\,łambda)$-structure. Kodai Math. Sem. Rep., Tome 23 (1971) no. 1, pp. 290-304. http://gdmltest.u-ga.fr/item/1138846368/