https://hal.inria.fr/inria-00074836 Contributor : Rapport de Recherche InriaConnect in order to contact the contributor Submitted on : Wednesday, May 24, 2006 - 4:32:33 PM Last modification on : Thursday, April 14, 2022 - 1:58:01 PM Long-term archiving on: : Tuesday, April 12, 2011 - 7:38:04 PM