@incollection{SB_1948-1951__1__39_0,
     author = {Braconnier, Jean},
     title = {Sur les suites de composition d'un groupe et la tour des groupes d'automorphismes d'un groupe fini},
     booktitle = {S\'eminaire Bourbaki : ann\'ees 1948/49 - 1949/50 - 1950/51, expos\'es 1-49},
     series = {S\'eminaire Bourbaki},
     note = {talk:7},
     pages = {39--43},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {1},
     year = {1952},
     zbl = {0100.25702},
     language = {fr},
     url = {http://archive.numdam.org/item/SB_1948-1951__1__39_0/}
}