@incollection{MSMF_1974__38__53_0,
     author = {Tognoli, Alberto},
     title = {Approximation theorems and {Nash} conjecture},
     booktitle = {Journ\'ees de g\'eom\'etrie analytique (Poitiers, 1972)},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     pages = {53--68},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {38},
     year = {1974},
     doi = {10.24033/msmf.152},
     mrnumber = {53 #436},
     zbl = {0304.57012},
     url = {http://www.numdam.org/articles/10.24033/msmf.152/}
}