@conference { PL1997,
author = { Langevin, Philippe },
title  = { Les Fonctions Courbes },
organization = { \'Equipe PACOM, I3S },
address = { Nice },
year = {1997},
rang = {S},
url  =  {http://langevin.univ-tln.fr/recherche/conference/lfc.html},
}