TY - JOUR AU - Magajna, Bojan TI - C*-Convexity and the Numerical Range JO - Canadian mathematical bulletin PY - 2000 SP - 193 EP - 207 VL - 43 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-027-3/ DO - 10.4153/CMB-2000-027-3 ID - 10_4153_CMB_2000_027_3 ER -