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@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/} }
G.W.III STEWART. A Generalization of a Theorem of Fan on Gershgorin Disks.. Numerische Mathematik, Tome 10 (1967), p. 162. http://geodesic.mathdoc.fr/item/NUMA_1967__10_131780/