%0 Journal Article %A Kostov, Vladimir %T Discriminant Sets of Families of Hyperbolic Polynomials of Degree 4 and 5 %J Serdica Mathematical Journal %D 2002 %P 117-152 %V 28 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2002_28_2_a2/ %G en %F SMJ2_2002_28_2_a2