@article{1029004072,
author = {Cairns, Grant},
title = {Totally umbilic Riemannian foliations.},
journal = {Michigan Math. J.},
volume = {37},
number = {1},
year = {1990},
pages = { 145-159},
language = {en},
url = {http://dml.mathdoc.fr/item/1029004072}
}
Cairns, Grant. Totally umbilic Riemannian foliations.. Michigan Math. J., Tome 37 (1990) no. 1, pp. 145-159. http://gdmltest.u-ga.fr/item/1029004072/