TY - JOUR AU - Magal, Pierre TI - Compact attractors for time-periodic age-structured population models JO - Electronic Journal of Differential Equations PY - 2001 VL - 2001 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a113/ LA - en ID - EJDE_2001__2001__a113 ER -