Lutz Volkmann. The double Roman domatic number of a digraph. Discussiones Mathematicae Graph Theory, 40(4):995-1004, 2020. [doi]
@article{Volkmann20,
title = {The double Roman domatic number of a digraph},
author = {Lutz Volkmann},
year = {2020},
doi = {10.7151/dmgt.2161},
url = {https://doi.org/10.7151/dmgt.2161},
researchr = {https://researchr.org/publication/Volkmann20},
cites = {0},
citedby = {0},
journal = {Discussiones Mathematicae Graph Theory},
volume = {40},
number = {4},
pages = {995-1004},
}