TY - JOUR AU - Ntouyas, Sotiris K. AU - O'Regan, Donal TI - Some remarks on controllability of evolution equations in Banach spaces JO - Electronic Journal of Differential Equations PY - 2009 VL - 2009 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a125/ LA - en ID - EJDE_2009__2009__a125 ER -