%0 Journal Article %T GMJ volume 32 issue 3 Cover and Front matter %J Glasgow mathematical journal %D 1990 %P f1-f8 %V 32 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009320/ %R 10.1017/S0017089500009320 %F 10_1017_S0017089500009320