@article{JNSA_2018_11_1_a4,
     author = {El-Dessoky, M. M.  and Khaliq, A. and Asiri, A.},
     title = {On some rational systems of difference equations },
     journal = {Journal of nonlinear sciences and its applications},
     pages = {49-72},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2018},
     doi = {10.22436/jnsa.011.01.05},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.011.01.05/}
}