[1]
Delgado, P., Desormeaux, W.J. and Haynes, T.W. 2016. Partitioning the vertices of a graph into two total dominating sets. Quaestiones Mathematicae. 39, 7 (Nov. 2016), 863–873. DOI:https://doi.org/10.2989/16073606.2016.1188862.