@article{02168708, title = {A note on the spectra of tridiagonal matrices.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2004}, year = {2004}, pages = {1575-1579}, doi = {10.1155/S0161171204311361}, zbl = {1073.15008}, language = {en}, url = {http://dml.mathdoc.fr/item/02168708} }
da Fonseca, C.M.; Petronilho, J. A note on the spectra of tridiagonal matrices.. International Journal of Mathematics and Mathematical Sciences, Tome 2004 (2004) pp. 1575-1579. doi : 10.1155/S0161171204311361. http://gdmltest.u-ga.fr/item/02168708/