TY - JOUR AU - Munhoz, Antonio S. AU - Filho, Antonio C.Souza TI - Existence and analyticity of a parabolic evolution operator for nonautonomous linear 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__a107/ LA - en ID - EJDE_2009__2009__a107 ER -