@article{GDZPPN002031140,
title = {An inclusion region for the field of values of a doubly stochastic matrix based on its graph.},
journal = {Aequationes mathematicae},
volume = {18},
year = {1978},
pages = {305-310},
zbl = {0384.15006},
url = {http://dml.mathdoc.fr/item/GDZPPN002031140}
}
Johnson, Charles R. An inclusion region for the field of values of a doubly stochastic matrix based on its graph.. Aequationes mathematicae, Tome 18 (1978) pp. 305-310. http://gdmltest.u-ga.fr/item/GDZPPN002031140/