@incollection{AST_1973__7-8__253_0,
     author = {L\^e D\~{u}ng Tr\'ang and Ch\'eniot, Denis},
     title = {Remarque sur les deux expos\'es pr\'ec\'edents de {D.} {Ch\'eniot} et {H.} {Popp}},
     booktitle = {Singularit\'es \`a Carg\`ese},
     series = {Ast\'erisque},
     pages = {253--261},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {7-8},
     year = {1973},
     zbl = {0295.14011},
     mrnumber = {379890},
     language = {fr},
     url = {http://www.numdam.org/item/AST_1973__7-8__253_0/}
}