TY - JOUR TI - GMJ volume 34 issue 3 Cover and Back matter JO - Glasgow mathematical journal PY - 1992 SP - b1 EP - b2 VL - 34 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008818/ DO - 10.1017/S0017089500008818 ID - 10_1017_S0017089500008818 ER -