https://hal.archives-ouvertes.fr/hal-03118635 Contributor : López Neumann AntonioConnect in order to contact the contributor Submitted on : Friday, January 22, 2021 - 1:21:20 PM Last modification on : Tuesday, January 26, 2021 - 3:30:07 AM Long-term archiving on: : Friday, April 23, 2021 - 7:02:42 PM