TY - JOUR AU - Zdzisław Denkowski TI - On a criterion of uniqueness for periodic solutions of linear second order difference equations JO - Annales Polonici Mathematici PY - 1972 SP - 41 EP - 49 VL - 27 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-27-1-41-49/ DO - 10.4064/ap-27-1-41-49 LA - en ID - 10_4064_ap_27_1_41_49 ER -