Extensions de groupes localement compacts
Séminaire Bourbaki : années 1948/49 - 1949/50 - 1950/51, exposés 1-49, Séminaire Bourbaki, no. 1 (1952), Exposé no. 27, 6 p. 
@incollection{SB_1948-1951__1__197_0,
     author = {Serre, Jean-Pierre},
     title = {Extensions de groupes localement compacts},
     booktitle = {S\'eminaire Bourbaki : ann\'ees 1948/49 - 1949/50 - 1950/51, expos\'es 1-49},
     author = {Collectif},
     series = {S\'eminaire Bourbaki},
     note = {talk:27},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {1},
     year = {1952},
     mrnumber = {1605173},
     language = {fr},
     url = {archive.numdam.org/item/SB_1948-1951__1__197_0/}
}
Serre, Jean-Pierre. Extensions de groupes localement compacts, dans Séminaire Bourbaki : années 1948/49 - 1949/50 - 1950/51, exposés 1-49, Séminaire Bourbaki, no. 1 (1952), Exposé no. 27, 6 p. http://archive.numdam.org/item/SB_1948-1951__1__197_0/

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