%0 Journal Article %T GMJ volume 12 issue 1 Cover and Back matter %J Glasgow mathematical journal %D 1971 %P b1-b2 %V 12 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S001708950000104X/ %R 10.1017/S001708950000104X %F 10_1017_S001708950000104X