%0 Journal Article %T GMJ volume 35 issue 3 Cover and Front matter %J Glasgow mathematical journal %D 1993 %P f1-f8 %V 35 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009848/ %R 10.1017/S0017089500009848 %F 10_1017_S0017089500009848