https://dumas.ccsd.cnrs.fr/dumas-03464005 Contributor : Nîmes UniversitéConnect in order to contact the contributor Submitted on : Thursday, December 2, 2021 - 8:40:53 PM Last modification on : Friday, December 3, 2021 - 3:32:01 AM Long-term archiving on: : Thursday, March 3, 2022 - 8:29:12 PM