@article{MM3_2015_19_1_a4,
     author = {Mouataz Billah Mesmouli and Abdelouaheb Ardjouni and Ahcene Djoudi},
     title = {Periodic {Solutions} for a {System} of {Nonlinear} {Neutral} {Functional} {Difference} {Equations} with {Two} {Functional} {Delays}},
     journal = {Mathematica Moravica},
     pages = {57 - 71},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2015},
     url = {https://geodesic-test.mathdoc.fr/item/MM3_2015_19_1_a4/}
}