@incollection{SB_1985-1986__28__313_0,
     author = {Yoccoz, Jean-Christophe},
     title = {Bifurcations de points fixes elliptiques},
     booktitle = {S\'eminaire Bourbaki : volume 1985/86, expos\'es 651-668},
     series = {Ast\'erisque},
     note = {talk:668},
     pages = {313--334},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {145-146},
     year = {1987},
     mrnumber = {880040},
     zbl = {0616.58035},
     language = {fr},
     url = {http://archive.numdam.org/item/SB_1985-1986__28__313_0/}
}