@article{GDZPPN001164554, title = {Bounds for the Spectral Norm of Functions of Matrices.}, journal = {Numerische Mathematik}, volume = {5}, year = {1963}, pages = {185-190}, zbl = {0114.32303}, url = {http://dml.mathdoc.fr/item/GDZPPN001164554} }
DESCLOUX, J. Bounds for the Spectral Norm of Functions of Matrices.. Numerische Mathematik, Tome 5 (1963) pp. 185-190. http://gdmltest.u-ga.fr/item/GDZPPN001164554/