TY - JOUR TI - GMJ volume 28 issue 1 Cover and Front matter JO - Glasgow mathematical journal PY - 1986 SP - f1 EP - f2 VL - 28 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006224/ DO - 10.1017/S0017089500006224 ID - 10_1017_S0017089500006224 ER -