%0 Journal Article %A Buşe, Constantin %T A spectral mapping theorem for evolution semigroups on asymptotically almost periodic functions defined on the half line %J Electronic Journal of Differential Equations %D 2002 %V 2002 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2002__2002__a234/ %G en %F EJDE_2002__2002__a234