@article{10_4153_CMB_1973_009_5,
     author = {Cohen, Maurice},
     title = {Smoothing {One-Dimensional} {Foliations} on {S1} x {S1}},
     journal = {Canadian mathematical bulletin},
     pages = {43--44},
     year = {1973},
     volume = {16},
     number = {1},
     doi = {10.4153/CMB-1973-009-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-009-5/}
}