@conference { PL1997a,
author = {   Langevin, Philippe   },
title  = {   Kernel and Default   },
booktitle = {   Fourth International Conference on Finite Fields and Applications   },
organization = {   FQ4   },
address = {   Waterloo, Canada, August   },
year = {1997},
rang = {A},
url  =  {http://langevin.univ-tln.fr/recherche/conference/kad.dvi},
}