@incollection{SB_1961-1962__7__113_0,
     author = {Cerf, Jean},
     title = {Travaux de {Smale} sur la structure des vari\'et\'es},
     booktitle = {S\'eminaire Bourbaki : ann\'ee 1961/62, expos\'es 223-240},
     series = {S\'eminaire Bourbaki},
     note = {talk:230},
     pages = {113--128},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {7},
     year = {1962},
     mrnumber = {1611186},
     zbl = {0117.17006},
     language = {fr},
     url = {http://www.numdam.org/item/SB_1961-1962__7__113_0/}
}