@article{GDZPPN001180118,
title = {Componentwise Inclusion and Exclusion Sets for Solutions of Quadratic Equations in Finite Dimensional Spaces.},
journal = {Numerische Mathematik},
volume = {50},
year = {1986},
pages = {391-416},
zbl = {0597.65050},
url = {http://dml.mathdoc.fr/item/GDZPPN001180118}
}
Alefeld, G. Componentwise Inclusion and Exclusion Sets for Solutions of Quadratic Equations in Finite Dimensional Spaces.. Numerische Mathematik, Tome 50 (1986) pp. 391-416. http://gdmltest.u-ga.fr/item/GDZPPN001180118/