TY - JOUR AU - Hu, Zuosheng TI - Boundeness and Stepanov's almost periodicity of solutions JO - Electronic Journal of Differential Equations PY - 2005 VL - 2005 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a179/ LA - en ID - EJDE_2005__2005__a179 ER -