@article{10_1017_S0017089500005188,
     author = {Hwang, J. S.},
     title = {A problem on the {Riesz-Dunford} operator calculus and convex univalent functions},
     journal = {Glasgow mathematical journal},
     pages = {129--130},
     year = {1983},
     volume = {24},
     number = {2},
     doi = {10.1017/S0017089500005188},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005188/}
}