@article{DMGT_2008_28_2_a10,
     author = {Korneffel, Torsten and Meierling, Dirk and Volkmann, Lutz},
     title = {A remark on the (2,2)-domination number},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {361--366},
     publisher = {mathdoc},
     volume = {28},
     number = {2},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2008_28_2_a10/}
}