@article{GDZPPN00118301X,
title = {Algebraic Connections Between the Least Squares and Total Least Squares Problems.},
journal = {Numerische Mathematik},
volume = {55},
year = {1987},
pages = {431-450},
zbl = {0663.65038},
url = {http://dml.mathdoc.fr/item/GDZPPN00118301X}
}
Van Huffel, S.; Vandewalle, J. Algebraic Connections Between the Least Squares and Total Least Squares Problems.. Numerische Mathematik, Tome 55 (1987) pp. 431-450. http://gdmltest.u-ga.fr/item/GDZPPN00118301X/