TY - JOUR AU - Ricardo Faro Rivas TI - Approximation of convex bodies by polynomial bodies II: Width and radius cases JO - Extracta Mathematicae PY - 1989 SP - 163 VL - 4 IS - 3 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/EXMATH_1989__4_3_38345/ LA - en ID - EXMATH_1989__4_3_38345 ER -