@article{CMH_1969__44_139406,
     author = {Anthony Philipps},
     title = {Foliations on {Open} {Manifolds,} {II.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {367--370},
     publisher = {mathdoc},
     volume = {44},
     year = {1969},
     url = {http://geodesic.mathdoc.fr/item/CMH_1969__44_139406/}
}