@article{DMGT_2010_30_3_a4,
     author = {Kumar, K. and MacGillivray, Gary},
     title = {Structure of the set of all minimal total dominating functions of some classes of graphs},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {407--423},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2010_30_3_a4/}
}