TY  - JOUR
AU  - J. William Helton
AU  - Scott McCullough
TI  - Every convex free basic semi-algebraic set has an LMI representation
JO  - Annals of mathematics
PY  - 2012
SP  - 979
EP  - 1013
VL  - 176
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4007/annals.2012.176.2.6/
DO  - 10.4007/annals.2012.176.2.6
LA  - en
ID  - 10_4007_annals_2012_176_2_6
ER  -