TY  - JOUR
AU  - J. W. Helton
AU  - S. McCullough
TI  - Free Convex Sets Defined by Rational Expressions Have LMI Representations
JO  - Journal of convex analysis
PY  - 2014
SP  - 425
EP  - 448
VL  - 21
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_2014_21_2_JCA_2014_21_2_a5/
ID  - JCA_2014_21_2_JCA_2014_21_2_a5
ER  -