TY - JOUR TI - GMJ volume 6 issue 1 Cover and Front matter JO - Glasgow mathematical journal PY - 1963 SP - f1 EP - f7 VL - 6 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S2040618500034596/ DO - 10.1017/S2040618500034596 ID - 10_1017_S2040618500034596 ER -