@book{AST_1978__59-60_,
     author = {Collectif},
     title = {Journ\'ees singuli\`eres de {Dijon}},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {59-60},
     year = {1978},
     language = {mul},
     url = {http://www.numdam.org/item/AST_1978__59-60_/}
}