https://hal.inria.fr/inria-00076982 Contributor : Rapport de Recherche InriaConnect in order to contact the contributor Submitted on : Monday, May 29, 2006 - 11:46:00 AM Last modification on : Thursday, February 3, 2022 - 11:18:55 AM Long-term archiving on: : Friday, May 13, 2011 - 10:20:33 PM