%0 Journal Article
%A S. Gutiérrez
%T A Necessary Condition for the Quasiconvexity of Polynomials of Degree Four
%J Journal of convex analysis
%D 2006
%P 51-6
%V 13
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JCA_2006_13_1_JCA_2006_13_1_a3/
%F JCA_2006_13_1_JCA_2006_13_1_a3