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@article{AM2_1997__54_3_137697, author = {R. Bhatia and L. Elsner and G.M. Krause}, title = {Spectral variation bounds for diagonalisable matrices.}, journal = {Aequationes mathematicae}, pages = {102--107}, publisher = {mathdoc}, volume = {54}, number = {3}, year = {1997}, zbl = {0897.15007}, url = {http://geodesic.mathdoc.fr/item/AM2_1997__54_3_137697/} }
R. Bhatia; L. Elsner; G.M. Krause. Spectral variation bounds for diagonalisable matrices.. Aequationes mathematicae, Tome 54 (1997) no. 3, pp. 102-107. http://geodesic.mathdoc.fr/item/AM2_1997__54_3_137697/