%0 Journal Article %T GMJ volume 2 issue 4 Cover and Front matter %J Glasgow mathematical journal %D 1956 %P f1-f2 %V 2 %N 4 %U http://geodesic.mathdoc.fr/articles/10.1017/S2040618500033244/ %R 10.1017/S2040618500033244 %F 10_1017_S2040618500033244