%0 Journal Article %A Ducrot, Arnaud %A Magal, Pierre %A Seydi, Ousmane %T A Finite-time Condition for Exponential Trichotomy in Infinite Dynamical Systems %J Canadian journal of mathematics %D 2015 %P 1065-1090 %V 67 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2014-023-3/ %R 10.4153/CJM-2014-023-3 %F 10_4153_CJM_2014_023_3