@article{1178242948,
author = {Blair, D. E. and Ludden, G. D.},
title = {Hypersurfaces in almost contact manifolds},
journal = {Tohoku Math. J. (2)},
volume = {21},
number = {4},
year = {1969},
pages = { 354-362},
language = {en},
url = {http://dml.mathdoc.fr/item/1178242948}
}
Blair, D. E.; Ludden, G. D. Hypersurfaces in almost contact manifolds. Tohoku Math. J. (2), Tome 21 (1969) no. 4, pp. 354-362. http://gdmltest.u-ga.fr/item/1178242948/