@article{ETNA_2004__18__a4,
     author = {Bini, Dario A. and Daddi, Francesco and Gemignani, Luca},
     title = {On the shifted {QR} iteration applied to companion matrices},
     journal = {Electronic transactions on numerical analysis},
     pages = {137--152},
     publisher = {mathdoc},
     volume = {18},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2004__18__a4/}
}