@article{GDZPPN000364762,
title = {Bounding the Number of Connected Components of a Real Algebraic Set.},
journal = {Discrete \& computational geometry},
volume = {6},
year = {1991},
pages = {191-210},
zbl = {0743.14040},
url = {http://dml.mathdoc.fr/item/GDZPPN000364762}
}
Loeser, F.; Benedetti, R.; Rïsler, J.J. Bounding the Number of Connected Components of a Real Algebraic Set.. Discrete & computational geometry, Tome 6 (1991) pp. 191-210. http://gdmltest.u-ga.fr/item/GDZPPN000364762/