%0 Journal Article %A Hwang, J. S. %T A problem on the Riesz-Dunford operator calculus and convex univalent functions %J Glasgow mathematical journal %D 1983 %P 129-130 %V 24 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005188/ %R 10.1017/S0017089500005188 %F 10_1017_S0017089500005188