%0 Journal Article %T GMJ volume 60 issue 3 Cover and Back matter %J Glasgow mathematical journal %D 2018 %P b1-b2 %V 60 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089518000125/ %R 10.1017/S0017089518000125 %F 10_1017_S0017089518000125