%0 Journal Article %A Perfect, Hazel %T Addendum to a paper of M. Saks %J Glasgow mathematical journal %D 1984 %P 31-33 %V 25 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005383/ %R 10.1017/S0017089500005383 %F 10_1017_S0017089500005383