%0 Journal Article %A Li, Yongkun %A Zhang, Tianwei %T Existence of almost periodic solutions for Hopfield neural networks with continuously distributed delays and impulses %J Electronic journal of differential equations %D 2009 %V 2009 %U http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a176/ %G en %F EJDE_2009__2009__a176