@article{GDZPPN002059150, title = {Foliations on Open Manifolds, I.}, journal = {Commentarii mathematici Helvetici}, volume = {43}, year = {1968}, pages = {204-211}, zbl = {0157.30503}, url = {http://dml.mathdoc.fr/item/GDZPPN002059150} }
Phillips, Anthony. Foliations on Open Manifolds, I.. Commentarii mathematici Helvetici, Tome 43 (1968) pp. 204-211. http://gdmltest.u-ga.fr/item/GDZPPN002059150/