%0 Journal Article %A Brannan, D. A. %A Kirwan, W. E. %T A covering theorem for typically real functions %J Glasgow mathematical journal %D 1969 %P 153-155 %V 10 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000719/ %R 10.1017/S0017089500000719 %F 10_1017_S0017089500000719