https://hal-normandie-univ.archives-ouvertes.fr/hal-02358731
Contributor : Robert Kahn <>
Submitted on : Tuesday, November 12, 2019 - 10:16:31 AM Last modification on : Friday, November 15, 2019 - 1:28:54 AM Long-term archiving on: : Thursday, February 13, 2020 - 4:22:38 PM