@article{KJM_2013_37_1_a9,
     author = {M. Tavakoli and F. Rahbarnia and M. Mirzavaziri and A. R. Ashrafi and I. Gutman},
     title = {Extremely {Irregular} {Graphs}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {135 },
     publisher = {mathdoc},
     volume = {37},
     number = {1},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2013_37_1_a9/}
}