Existence of real roots for the family of interval polynomials.

Xin Yu Ya Li Existence of real roots for the family of interval polynomials. 2299-2302 2008 ICARCV http://dx.doi.org/10.1109/ICARCV.2008.4795891 conf/icarcv/2008 db/conf/icarcv/icarcv2008.html#YuL08b