%0 Journal Article %A Naulin, Raúl %A Vanegas, Carmen J. %T Instability of discrete systems %J Electronic Journal of Differential Equations %D 1998 %V 1998 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1998__1998__a17/ %G en %F EJDE_1998__1998__a17