@article{BMMS_2014_37_2_a4,
     author = {Omar A. AbuGhneim and Emad E. AbdAlJawad and Hasan Al-Ezeh},
     title = {The {Independence} {Number} of $\Gamma(\mathbb{Z}_{p^{n}}(x))$},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2014},
     volume = {37},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2014_37_2_a4/}
}