@article{PMIHES_1982__55__5_0,
     author = {Cesar Camacho and Alcides Lins Neto},
     title = {The topology of integrable differential forms near a singularity},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {5--35},
     year = {1982},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {55},
     doi = {10.1007/BF02698693},
     mrnumber = {672180},
     zbl = {0505.58026},
     language = {en},
     url = {https://pmihes.centre-mersenne.org/articles/10.1007/BF02698693/}
}