@article{RSMUP_1999__101__137_0,
     author = {Petronio, Carlo},
     title = {A note on codimension-$1$ foliations},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {137--145},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {101},
     year = {1999},
     mrnumber = {1705284},
     zbl = {0932.53024},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1999__101__137_0/}
}