@book{SB_1961-1962__7_, author = {Collectif}, title = {S\'eminaire {Bourbaki} : ann\'ee 1961/62, expos\'es 223-240}, series = {S\'eminaire Bourbaki}, publisher = {Soci\'et\'e math\'ematique de France}, number = {7}, year = {1962}, url = {http://archive.numdam.org/item/SB_1961-1962__7_/} }