@article{10_4064_am_20_4_587_589,
     author = {H. Sp\"ath},
     title = {Modified {Gram-Schmidt} for solving linear least squares problems is equivalent to {Gaussian} elimination for the normal equations},
     journal = {Applicationes Mathematicae},
     pages = {587--589},
     year = {1988},
     volume = {20},
     number = {4},
     doi = {10.4064/am-20-4-587-589},
     zbl = {0763.65029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-20-4-587-589/}
}