%0 Journal Article
%A Bouchou, Ahmed
%A Blidia, Mostafa
%A Chellali, Mustapha
%T Extremal Graphs for a Bound on the Roman Domination Number
%J Discussiones Mathematicae. Graph Theory
%D 2020
%P 771-785
%V 40
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DMGT_2020_40_3_a4/
%G en
%F DMGT_2020_40_3_a4