%0 Journal Article %A Chellali, Mustapha %A Rad, Nader Jafari %T Strong Equality Between the Roman Domination and Independent Roman Domination Numbers in Trees %J Discussiones Mathematicae. Graph Theory %D 2013 %P 337-346 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2013_33_2_a7/ %G en %F DMGT_2013_33_2_a7