https://hal-amu.archives-ouvertes.fr/hal-03154309 Contributor : Jean-Jacques RassialConnect in order to contact the contributor Submitted on : Thursday, June 24, 2021 - 4:35:52 PM Last modification on : Wednesday, November 3, 2021 - 4:06:02 AM Long-term archiving on: : Saturday, September 25, 2021 - 6:46:27 PM