@article{GDZPPN002079380,
title = {QR in two dimensions.},
journal = {Elemente der Mathematik},
volume = {31},
year = {1976},
pages = {109-114},
zbl = {0361.65028},
url = {http://dml.mathdoc.fr/item/GDZPPN002079380}
}
Kreyszig, Erwin. QR in two dimensions.. Elemente der Mathematik, Tome 31 (1976) pp. 109-114. http://gdmltest.u-ga.fr/item/GDZPPN002079380/