@article{DMGT_2013_33_4_a7,
     author = {Aram, Hamideh and Norouzian, Sepideh and Sheikholeslami, Seyed Mahmoud},
     title = {The {Distance} {Roman} {Domination} {Numbers} of {Graphs}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {717--730},
     publisher = {mathdoc},
     volume = {33},
     number = {4},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2013_33_4_a7/}
}