%0 Journal Article %A Ainseba, Bedr'Eddine %A AniĊ£a, Sebastian %A Langlais, Michel %T Optimal control for a nonlinear age-structured population dynamics model %J Electronic Journal of Differential Equations %D 2003 %V 2003 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a128/ %G en %F EJDE_2003__2003__a128