%0 Journal Article %T GMJ volume 32 issue 1 Cover and Back matter %J Glasgow mathematical journal %D 1990 %P b1-b2 %V 32 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009009/ %R 10.1017/S0017089500009009 %F 10_1017_S0017089500009009