TY - JOUR AU - Mouataz Billah Mesmouli AU - Abdelouaheb Ardjouni AU - Ahcene Djoudi TI - Periodic Solutions for a System of Nonlinear Neutral Functional Difference Equations with Two Functional Delays JO - Mathematica Moravica PY - 2015 SP - 57 EP - 71 VL - 19 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/MM3_2015_19_1_a4/ ID - MM3_2015_19_1_a4 ER -