https://halshs.archives-ouvertes.fr/halshs-01992790
Contributor : Henri Galinon <>
Submitted on : Tuesday, November 5, 2019 - 2:27:31 PM Last modification on : Thursday, December 3, 2020 - 8:12:01 AM Long-term archiving on: : Thursday, February 6, 2020 - 1:00:14 PM