TY - JOUR AU - Blekherman, Grigoriy AU - Smith, Gregory AU - Velasco, Mauricio TI - Sums of squares and varieties of minimal degree JO - Journal of the American Mathematical Society PY - 2016 SP - 893 EP - 913 VL - 29 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1090/jams/847/ DO - 10.1090/jams/847 ID - 10_1090_jams_847 ER -