@article{05947039,
title = {Norm estimates for functions of two non-commuting matrices.},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {22},
year = {2011},
pages = {504-512},
zbl = {1223.15030},
language = {en},
url = {http://dml.mathdoc.fr/item/05947039}
}
Gil, Michael. Norm estimates for functions of two non-commuting matrices.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 22 (2011) pp. 504-512. http://gdmltest.u-ga.fr/item/05947039/