Computing the Irreducible Real Factors and Components of an Algebraic Curve.

Erich Kaltofen Computing the Irreducible Real Factors and Components of an Algebraic Curve. 79-87 1989 Symposium on Computational Geometry http://doi.acm.org/10.1145/73833.73842 db/conf/compgeom/compgeom89.html#Kaltofen89