@book{SB_1956-1958__4_,
     author = {Collectif},
     title = {S\'eminaire {Bourbaki} : ann\'ees 1956/57 - 1957/58, expos\'es 137-168},
     series = {S\'eminaire Bourbaki},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {4},
     year = {1958},
     url = {http://www.numdam.org/item/SB_1956-1958__4_/}
}