%0 Journal Article %T GMJ volume 5 issue 2 Cover and Back matter %J Glasgow mathematical journal %D 1961 %P b1-b6 %V 5 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034304/ %R 10.1017/S2040618500034304 %F 10_1017_S2040618500034304