Gunther Dirr, Harald K. Wimmer. An EnestrÖm-Kakeya Theorem for Hermitian Polynomial Matrices. IEEE Trans. Automat. Contr., 52(11):2151-2153, 2007. [doi]
@article{DirrW07,
title = {An EnestrÖm-Kakeya Theorem for Hermitian Polynomial Matrices},
author = {Gunther Dirr and Harald K. Wimmer},
year = {2007},
doi = {10.1109/TAC.2007.908340},
url = {http://dx.doi.org/10.1109/TAC.2007.908340},
researchr = {https://researchr.org/publication/DirrW07},
cites = {0},
citedby = {0},
journal = {IEEE Trans. Automat. Contr.},
volume = {52},
number = {11},
pages = {2151-2153},
}