@article{KJM_2013_37_2_a4,
     author = {J. Amjadi and A. Bahremandpour and S. M. Sheikholeslami and L. Volkmann},
     title = {The {Rainbow} {Domination} {Number} of a {Digraph}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {257 },
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2013_37_2_a4/}
}