@article{00968985,
title = {Least-squares fitting of circles and ellipses.},
journal = {Bulletin of the Belgian Mathematical Society - Simon Stevin},
volume = {3},
year = {1996},
pages = {63-84},
zbl = {0862.65007},
language = {en},
url = {http://dml.mathdoc.fr/item/00968985}
}
Gander, Walter; Golub, Gene H.; Strebel, Rolf. Least-squares fitting of circles and ellipses.. Bulletin of the Belgian Mathematical Society - Simon Stevin, Tome 3 (1996) pp. 63-84. http://gdmltest.u-ga.fr/item/00968985/