https://hal-cnrs.archives-ouvertes.fr/hal-03080774 Contributor : Manuel PubellierConnect in order to contact the contributor Submitted on : Thursday, December 17, 2020 - 9:30:05 PM Last modification on : Tuesday, January 5, 2021 - 7:17:01 PM Long-term archiving on: : Thursday, March 18, 2021 - 8:37:56 PM