%0 Journal Article %T Corrigendum %J Glasgow mathematical journal %D 1988 %P 368-368 %V 30 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007473/ %R 10.1017/S0017089500007473 %F 10_1017_S0017089500007473