https://hal-normandie-univ.archives-ouvertes.fr/hal-03035133 Contributor : Valentin ValtchevConnect in order to contact the contributor Submitted on : Wednesday, December 2, 2020 - 9:21:42 AM Last modification on : Sunday, June 26, 2022 - 2:59:29 AM Long-term archiving on: : Wednesday, March 3, 2021 - 6:29:59 PM