%0 Journal Article %A Sang, Yanbin %T Existence and uniqueness of fixed points for mixed monotone operators with perturbations %J Electronic Journal of Differential Equations %D 2013 %V 2013 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2013__2013__a143/ %G en %F EJDE_2013__2013__a143