@article{AIHPC_1988__5_1_37_0,
     author = {Los, J\'er\^ome E.},
     title = {D\'edoublement de courbes invariantes sur le cylindre : petits diviseurs},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {37--95},
     publisher = {Gauthier-Villars},
     volume = {5},
     number = {1},
     year = {1988},
     mrnumber = {936889},
     zbl = {0667.58045},
     language = {fr},
     url = {http://archive.numdam.org/item/AIHPC_1988__5_1_37_0/}
}