%0 Journal Article %A Ching, Chin-Hung %A Chui, Charles K. %T Delange's characterization of the sine function %J Glasgow mathematical journal %D 1974 %P 66-68 %V 15 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002147/ %R 10.1017/S0017089500002147 %F 10_1017_S0017089500002147