TY - JOUR TI - GMJ volume 27 Cover and Front matter JO - Glasgow mathematical journal PY - 1985 SP - f1 EP - f6 VL - 26 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005991/ DO - 10.1017/S0017089500005991 ID - 10_1017_S0017089500005991 ER -