@article{GDZPPN002303620, title = {Totally Geodesic Foliations.}, journal = {Mathematische Annalen}, volume = {189}, year = {1970}, pages = {313-316}, zbl = {0194.52804}, url = {http://dml.mathdoc.fr/item/GDZPPN002303620} }
FERUS, D. Totally Geodesic Foliations.. Mathematische Annalen, Tome 189 (1970) pp. 313-316. http://gdmltest.u-ga.fr/item/GDZPPN002303620/