@article{IM_1985__80_143220,
     author = {A. Chenciner},
     title = {Bifurcations de points fixes elliptiques. {II.} {Orbites} p\'eriodiques et ensembles de {Cantor} invariants.},
     journal = {Inventiones mathematicae},
     pages = {81--106},
     publisher = {mathdoc},
     volume = {80},
     year = {1985},
     zbl = {0578.58031},
     url = {http://geodesic.mathdoc.fr/item/IM_1985__80_143220/}
}