@inproceedings{1041905,
    title = "Computing the QR decomposition of a  long dense matrix having a minimum fill-in sparse orthogonal matrix",
    author = "Kontoghiorghes, Erricos John",
    year = "2001",
    pages = "58-61",
    publisher = "Εκδοτικός Οργανισμός Λιβάνη",
    booktitle = "8th Panhellenic Conference in Informatics Proceedings (Volume 2)"
}