@article{05850031,
title = {Polynomial inequalities for non-commuting operators.},
journal = {ELA. The Electronic Journal of Linear Algebra [electronic only]},
volume = {20},
year = {2010},
pages = {506-518},
zbl = {1209.26017},
language = {en},
url = {http://dml.mathdoc.fr/item/05850031}
}
Mccarthy, John E.; Timoney, Richard M. Polynomial inequalities for non-commuting operators.. ELA. The Electronic Journal of Linear Algebra [electronic only], Tome 20 (2010) pp. 506-518. http://gdmltest.u-ga.fr/item/05850031/