%0 Journal Article %T GMJ volume 57 issue 3 Cover and Back matter %J Glasgow mathematical journal %D 2015 %P b1-b4 %V 57 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089515000452/ %R 10.1017/S0017089515000452 %F 10_1017_S0017089515000452