@article{GDZPPN00118007X,
title = {On the Condition Number of some Gram Matrices Arising from Least Squares Approximation in the Complex Plane.},
journal = {Numerische Mathematik},
volume = {50},
year = {1986},
pages = {337-348},
zbl = {0602.65025},
url = {http://dml.mathdoc.fr/item/GDZPPN00118007X}
}
Saad, Youcef. On the Condition Number of some Gram Matrices Arising from Least Squares Approximation in the Complex Plane.. Numerische Mathematik, Tome 50 (1986) pp. 337-348. http://gdmltest.u-ga.fr/item/GDZPPN00118007X/