TY - JOUR TI - GMJ volume 58 issue 3 Cover and Front matter JO - Glasgow mathematical journal PY - 2016 SP - f1 EP - f2 VL - 58 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089516000379/ DO - 10.1017/S0017089516000379 ID - 10_1017_S0017089516000379 ER -