TY - JOUR AU - Sang, Yanbin TI - Existence and uniqueness of fixed points for mixed monotone operators with perturbations JO - Electronic Journal of Differential Equations PY - 2013 VL - 2013 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2013__2013__a43/ LA - en ID - EJDE_2013__2013__a43 ER -