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"Bounds on the signed Roman k-domination number of a digraph."
Xiaodan Chen, Guoliang Hao, Lutz Volkmann (2019)
- Xiaodan Chen, Guoliang Hao, Lutz Volkmann:
Bounds on the signed Roman k-domination number of a digraph. Discuss. Math. Graph Theory 39(1): 67-79 (2019)
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