@article{DMGT_2006_26_1_a9,
     author = {Dorbec, Paul and Gravier, Sylvain and Klav\v{z}ar, Sandi and Spacapan, Simon},
     title = {Some results on total domination in direct products of graphs},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {103--112},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2006_26_1_a9/}
}