@article{NUMA_1965__7_131650,
     author = {B. PARLETT},
     title = {Convergence of the {QR} {Algorithm.}},
     journal = {Numerische Mathematik},
     pages = {187--193},
     publisher = {mathdoc},
     volume = {7},
     year = {1965},
     zbl = {0132.36301},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1965__7_131650/}
}