TY - JOUR AU - Tripathy, Arun Kumar TI - Oscillation criteria for first-order systems of linear difference equations JO - Electronic Journal of Differential Equations PY - 2009 VL - 2009 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a199/ LA - en ID - EJDE_2009__2009__a199 ER -