%0 Journal Article
%A G.L. Cohen
%A G.H. Smith
%T A proof of Ilieff's conjecture for polynomials with four zeros.
%J Elemente der Mathematik
%D 1988
%P 18-21
%V 43
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELMA_1988__43_3_141419/
%F ELMA_1988__43_3_141419