@article{01496722,
title = {Cauchy's interlace theorem and lower bounds for the spectral radius.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {23},
year = {2000},
pages = {563-566},
doi = {10.1155/S016117120000257X},
zbl = {0955.15007},
language = {en},
url = {http://dml.mathdoc.fr/item/01496722}
}
Mercer, A.Mcd.; Mercer, Peter R. Cauchy's interlace theorem and lower bounds for the spectral radius.. International Journal of Mathematics and Mathematical Sciences, Tome 23 (2000) pp. 563-566. doi : 10.1155/S016117120000257X. http://gdmltest.u-ga.fr/item/01496722/