@article{NUMA_1967__10_131780,
     author = {G.W.III STEWART},
     title = {A {Generalization} of a {Theorem} of {Fan} on {Gershgorin} {Disks.}},
     journal = {Numerische Mathematik},
     pages = {162--162},
     publisher = {mathdoc},
     volume = {10},
     year = {1967},
     zbl = {0158.03504},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1967__10_131780/}
}