https://cel.archives-ouvertes.fr/cel-00136497
Contributor : Emmanuel Moulay
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Submitted on : Wednesday, March 14, 2007 - 11:14:55 AM
Last modification on : Wednesday, December 19, 2018 - 3:02:03 PM
Long-term archiving on : Friday, September 21, 2012 - 12:55:15 PM
