@INPROCEEDINGS{BoulmeJFLA99,
  AUTHOR = {S. Boulm\'e and T. Hardin and R. Rioboo},
  TITLE = {Modules, Objets et Calcul Formel},
  BOOKTITLE = {Actes des Journ\'ees Francophones des Langages Applicatifs},
  YEAR = 1999
}