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Erratum
This article is an erratum for: [this article]

Issue
RAIRO-Theor. Inf. Appl.
Volume 38, Number 3, July-September 2004
Page(s) 269 - 271
DOI http://dx.doi.org/10.1051/ita:2004014
Published online 15 June 2004

© EDP Sciences, 2004