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More results on the signed double Roman k-domination in graphs
Aequationes MathematicaeMichael A. Henning, Lutz Volkmann
exaly
On the double Roman domination in graphs
Discrete Applied Mathematics, 2017Hossein Abdollahzadeh Ahangar +1 more
exaly
Signed mixed Roman domination numbers in graphs
Journal of Combinatorial Optimization, 2015Seyed Mahmoud Sheikholeslami +2 more
exaly