@article{PMIHES_1985__61__129_0,
     author = {Pelletier, Fernand},
     title = {Singularit\'es d'ordre sup\'erieur de 1-formes, 2-formes et \'equations de {Pfaff}},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {129--169},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {61},
     year = {1985},
     mrnumber = {783350},
     zbl = {0568.58001},
     language = {fr},
     url = {http://www.numdam.org/item/PMIHES_1985__61__129_0/}
}