@article{KJM_2021_45_5_a1,
     author = {H. Naresh Kumar and Y. B. Venkatakrishnan},
     title = {Vertex-Edge {Roman} {Domination}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {685 },
     publisher = {mathdoc},
     volume = {45},
     number = {5},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2021_45_5_a1/}
}