@book{SB_1983-1984__26_,
     author = {Collectif},
     title = {S\'eminaire {Bourbaki} : volume 1983/84, expos\'es 615-632},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {121-122},
     year = {1985},
     url = {http://archive.numdam.org/item/SB_1983-1984__26_/}
}