https://hal-univ-orleans.archives-ouvertes.fr/tel-02093228 Contributor : Matthieu RobineauConnect in order to contact the contributor Submitted on : Monday, April 8, 2019 - 5:13:37 PM Last modification on : Wednesday, November 3, 2021 - 7:35:32 AM Long-term archiving on: : Wednesday, July 10, 2019 - 12:26:15 PM