@article{DMGT_2016_36_1_a3,
     author = {Sonntag, Martin and Teichert, Hanns-Martin},
     title = {Products {Of} {Digraphs} {And} {Their} {Competition} {Graphs}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {43--58},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2016_36_1_a3/}
}