https://hal-univ-avignon.archives-ouvertes.fr/hal-03563291 Contributor : Yves CaronConnect in order to contact the contributor Submitted on : Wednesday, February 9, 2022 - 3:51:43 PM Last modification on : Saturday, February 26, 2022 - 3:21:50 AM Long-term archiving on: : Tuesday, May 10, 2022 - 7:03:20 PM