%0 Journal Article %A Kaufmann, Eric R. %A Raffoul, Youssef N. %T Periodicity and stability in neutral nonlinear dynamic equations with functional delay on a time scale %J Electronic journal of differential equations %D 2007 %V 2007 %U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a282/ %G en %F EJDE_2007__2007__a282