@incollection{SB_1964-1966__9__391_0,
     author = {Gramain, Andr\'e},
     title = {L'invariance topologique des classes de {Pontrjagin} rationnelles},
     booktitle = {S\'eminaire Bourbaki : ann\'ees 1964/65 1965/66, expos\'es 277-312},
     series = {S\'eminaire Bourbaki},
     note = {talk:304},
     pages = {391--406},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {9},
     year = {1966},
     mrnumber = {1610975},
     zbl = {0195.53103},
     language = {fr},
     url = {http://www.numdam.org/item/SB_1964-1966__9__391_0/}
}