TY  - JOUR
AU  - Zdzisław Denkowski
TI  - On the existence and uniqueness of periodic solutions for difference equations of second order
JO  - Annales Polonici Mathematici
PY  - 1972
SP  - 265
EP  - 277
VL  - 27
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/ap-27-3-265-277/
DO  - 10.4064/ap-27-3-265-277
LA  - en
ID  - 10_4064_ap_27_3_265_277
ER  -