@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/