@conference { PL1998c,
author = { Langevin, Philippe },
title  = { Sur un Th\'eor\`eme de McEliece et Delsarte },
booktitle = {   },
address = { \'equipes ATI (IML), PACOM (I3S) },
year = {1998},
rang = {S},
url  =  {http://langevin.univ-tln.fr/recherche/conference/Eliece.dvi},
}