https://hal-upec-upem.archives-ouvertes.fr/hal-00622728
Contributor : Alain Lascoux <>
Submitted on : Monday, September 12, 2011 - 4:23:46 PM Last modification on : Wednesday, February 26, 2020 - 7:06:05 PM Long-term archiving on: : Tuesday, November 13, 2012 - 10:25:23 AM