TY - JOUR AU - Zdzisław Denkowski TI - Linear problems for systems of difference equations JO - Annales Polonici Mathematici PY - 1970 SP - 77 EP - 86 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-24-1-77-86/ DO - 10.4064/ap-24-1-77-86 LA - en ID - 10_4064_ap_24_1_77_86 ER -