@incollection{AST_1974__16__133_0,
     author = {Elkik, Ren\'ee},
     title = {Alg\'ebrisation du module formel d'une singularit\'e isol\'ee},
     booktitle = {S\'eminaire de g\'eom\'etrie analytique},
     author = {Collectif},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {16},
     year = {1974},
     mrnumber = {352093},
     zbl = {0294.14008},
     language = {fr},
     url = {archive.numdam.org/item/AST_1974__16__133_0/}
}

Elkik, Renée. Algébrisation du module formel d'une singularité isolée, dans Séminaire de géométrie analytique, Astérisque, no. 16 (1974), 12 p. http://archive.numdam.org/item/AST_1974__16__133_0/