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@article{AM2_1978__17_136748, author = {Charles R. Johnson}, title = {An inclusion region for the field of values of a doubly stochastic matrix based on its graph.}, journal = {Aequationes mathematicae}, pages = {305--310}, publisher = {mathdoc}, volume = {17}, year = {1978}, zbl = {0384.15006}, url = {http://geodesic.mathdoc.fr/item/AM2_1978__17_136748/} }
Charles R. Johnson. An inclusion region for the field of values of a doubly stochastic matrix based on its graph.. Aequationes mathematicae, Tome 17 (1978), pp. 305-310. http://geodesic.mathdoc.fr/item/AM2_1978__17_136748/