%0 Journal Article %A Charles R. Johnson %T An inclusion region for the field of values of a doubly stochastic matrix based on its graph. %J Aequationes mathematicae %D 1978 %P 305-310 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1978__17_136748/ %F AM2_1978__17_136748