%0 Journal Article %A Kostov, Vladimir %T On the Hyperbolicity Domain of the Polynomial x^n + a1x^(n-1) + 1/4+ an %J Serdica Mathematical Journal %D 1999 %P 47-70 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_1999_25_1_a5/ %G en %F SMJ2_1999_25_1_a5