@article{GDZPPN001167766,
title = {Handbook Series Linear Algebra. The Modified L R Algorithm for Complex Hessenberg Matrices.},
journal = {Numerische Mathematik},
volume = {11},
year = {1968},
pages = {369-376},
zbl = {0184.37505},
url = {http://dml.mathdoc.fr/item/GDZPPN001167766}
}
WILKINSON, J.H.; MARTIN, R.S. Handbook Series Linear Algebra. The Modified L R Algorithm for Complex Hessenberg Matrices.. Numerische Mathematik, Tome 11 (1968) pp. 369-376. http://gdmltest.u-ga.fr/item/GDZPPN001167766/