@article{PMIHES_1982__55__5_0,
     author = {Camacho, Cesar and Lins Neto, Alcides},
     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},
     mrnumber = {672180},
     zbl = {0505.58026},
     language = {en},
     url = {https://www.numdam.org/item/PMIHES_1982__55__5_0/}
}