%0 Journal Article %A Volkmann, Lutz %T Signed Total Roman Domination in Digraphs %J Discussiones Mathematicae. Graph Theory %D 2017 %P 261-272 %V 37 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2017_37_1_a18/ %G en %F DMGT_2017_37_1_a18