https://halshs.archives-ouvertes.fr/halshs-03650338 Contributor : Luca GrecoConnect in order to contact the contributor Submitted on : Tuesday, April 26, 2022 - 10:27:23 AM Last modification on : Monday, May 30, 2022 - 4:36:06 PM Long-term archiving on: : Wednesday, July 27, 2022 - 6:04:39 PM