@incollection{AST_1973__7-8__183_0,
     author = {L\^e D\~{u}ng Tr\'ang},
     title = {Un crit\`ere d'\'equisingularit\'e},
     booktitle = {Singularit\'es \`a Carg\`ese},
     series = {Ast\'erisque},
     pages = {183--192},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {7-8},
     year = {1973},
     zbl = {0351.32008},
     language = {fr},
     url = {http://www.numdam.org/item/AST_1973__7-8__183_0/}
}