@article{AFST_2010_6_19_3-4_849_0,
     author = {Mol, Rog\'erio S.},
     title = {The polar curve of a foliation on $\mathbb{P}^2$},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {849--863},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 19},
     number = {3-4},
     year = {2010},
     doi = {10.5802/afst.1268},
     zbl = {1254.53050},
     mrnumber = {2790820},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/afst.1268/}
}