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"Extremal digraphs for an upper bound on the Roman domination number."
Lyes Ouldrabah, Mostafa Blidia, Ahmed Bouchou (2019)
- Lyes Ouldrabah, Mostafa Blidia, Ahmed Bouchou:
Extremal digraphs for an upper bound on the Roman domination number. J. Comb. Optim. 38(3): 667-679 (2019)
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