@article{GDZPPN001170171,
title = {A Fully Stable Rational Version of the QR Algorithm for Tridiagonal Matrices.},
journal = {Numerische Mathematik},
volume = {18},
year = {1971},
pages = {432-441},
zbl = {0221.65064},
url = {http://dml.mathdoc.fr/item/GDZPPN001170171}
}
Sack, R.A. A Fully Stable Rational Version of the QR Algorithm for Tridiagonal Matrices.. Numerische Mathematik, Tome 18 (1971) pp. 432-441. http://gdmltest.u-ga.fr/item/GDZPPN001170171/