%0 Journal Article %A Magal, Pierre %T Compact attractors for time-periodic age-structured population models %J Electronic Journal of Differential Equations %D 2001 %V 2001 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a113/ %G en %F EJDE_2001__2001__a113