%0 Journal Article
%A J. W. Helton
%A S. McCullough
%T Free Convex Sets Defined by Rational Expressions Have LMI Representations
%J Journal of convex analysis
%D 2014
%P 425-448
%V 21
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JCA_2014_21_2_JCA_2014_21_2_a5/
%F JCA_2014_21_2_JCA_2014_21_2_a5