Delay Differential Equations and Applications Proceedings of the NATO Advanced Study Institute held in Marrakech, Morocco, 9-21 September 2002 - Arino, O.; Arino, O.; Hbid, M.L.; Hbid, M.L.; Dads, E. Ait.; Dads, E. Ait. (Springer Netherlands : Imprint: Springer, 2006)