1. An inequality for hyperbolic polynomials;Gårding;J. Math. Mech.,1959
2. Inequalities;Hardy,1988
3. Inequalities: Theory of Majorization and Its Applications;Marshall,1979
4. Verteilung und Berechnung der Nullstellen reeller Polynome;Obreschkoff,1963
5. On a theorem of Hardy, Littlewood, Pólya, and Blackwell;Sherman;Proc. Nat. Acad. Sci. USA,1951