@incollection{AST_1974__17__1_0,
     author = {AST},
     title = {S\'eminaire de g\'eom\'etrie analytique de {l'\'Ecole} normale sup\'erieure 1972-1973. {Pages} pr\'eliminaires},
     booktitle = {S\'eminaire de g\'eom\'etrie analytique},
     editor = {Douady Andr\'e and Verdier Jean-Louis},
     series = {Ast\'erisque},
     pages = {1--2},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {17},
     year = {1974},
     language = {fr},
     url = {http://www.numdam.org/item/AST_1974__17__1_0/}
}