@book{SB_1996-1997__39_,
     author = {Collectif},
     title = {S\'eminaire {Bourbaki} : volume 1996/97, expos\'es 820-834},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {245},
     year = {1997},
     url = {http://www.numdam.org/item/SB_1996-1997__39_/}
}