https://hal.inria.fr/hal-02426790 Contributor : Jean-Claude BermondConnect in order to contact the contributor Submitted on : Thursday, January 2, 2020 - 7:34:07 PM Last modification on : Sunday, June 26, 2022 - 12:13:28 PM Long-term archiving on: : Monday, April 6, 2020 - 6:14:49 PM