%0 Journal Article %A H. Naresh Kumar %A Y. B. Venkatakrishnan %T Vertex-Edge Roman Domination %J Kragujevac Journal of Mathematics %D 2021 %P 685 %V 45 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2021_45_5_a1/ %G en %F KJM_2021_45_5_a1