@article{DMGT_2007_27_1_a5,
     author = {Factor, Kim and Langley, Larry},
     title = {Digraphs with isomorphic underlying and domination graphs: connected $UG^c(d)$},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {51--67},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2007_27_1_a5/}
}