TY - JOUR TI - GMJ volume 39 issue 3 Cover and Front matter JO - Glasgow mathematical journal PY - 1997 SP - f1 EP - f7 VL - 39 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032146/ DO - 10.1017/S0017089500032146 ID - 10_1017_S0017089500032146 ER -