@article{GDZPPN001180088,
title = {Eigenvalues of a Symmetric Tridiagonal Matrix: A Divide-and-Conquer Approach.},
journal = {Numerische Mathematik},
volume = {50},
year = {1986},
pages = {349-368},
zbl = {0595.65035},
url = {http://dml.mathdoc.fr/item/GDZPPN001180088}
}
Krishnakumar, A.S.; Morf, Martin. Eigenvalues of a Symmetric Tridiagonal Matrix: A Divide-and-Conquer Approach.. Numerische Mathematik, Tome 50 (1986) pp. 349-368. http://gdmltest.u-ga.fr/item/GDZPPN001180088/