%0 Journal Article %A Tripathy, Arun Kumar %T Oscillation criteria for first-order systems of linear difference equations %J Electronic Journal of Differential Equations %D 2009 %V 2009 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a199/ %G en %F EJDE_2009__2009__a199