%0 Journal Article
%A Dai,  Jinchun
%A Li,  Yongkun
%A Zhang,  Tianwei
%T Positive periodic solutions for nonautonomous impulsive neutral functional differential systems with time-varying delays on time scales
%J Electronic journal of differential equations
%D 2010
%V 2010
%U http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a9/
%G en
%F EJDE_2010__2010__a9