@article{JNSA_2020_13_2_a0,
     author = {Abd Elrazik, Enayat M.  },
     title = {Preservation properties for some classes of discrete distributions },
     journal = {Journal of nonlinear sciences and its applications},
     pages = {75-84},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2020},
     doi = {10.22436/jnsa.013.02.01},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.013.02.01/}
}