@book{AST_1985__S131_,
     author = {Collectif},
     title = {\'Elie {Cartan} et les math\'ematiques d'aujourd'hui - {Lyon,} 25-29 juin 1984},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {S131},
     year = {1985},
     language = {mul},
     url = {http://archive.numdam.org/item/AST_1985__S131_/}
}