@article{10_4153_CMB_2000_027_3,
     author = {Magajna, Bojan},
     title = {C*-Convexity and the {Numerical} {Range}},
     journal = {Canadian mathematical bulletin},
     pages = {193--207},
     year = {2000},
     volume = {43},
     number = {2},
     doi = {10.4153/CMB-2000-027-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-027-3/}
}