%0 Journal Article %A Xi, Weige %A Wang, Ligong %T Sharp Upper Bounds on the Signless Laplacian Spectral Radius of Strongly Connected Digraphs %J Discussiones Mathematicae. Graph Theory %D 2016 %P 977-988 %V 36 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2016_36_4_a14/ %G en %F DMGT_2016_36_4_a14