TY - DATA AU - Magal, Pierre. AU - Ruan, Shigui, TI - Center manifolds for semilinear equations with non-dense domain and applications to Hopf bifurcation in age structured models T2 - Memoirs of the American Mathematical Society, SN - 9781470405656 (online) PY - 2009/// CY - Providence, R.I. PB - American Mathematical Society UR - http://www.ams.org/memo/0951 ER -