TY - JOUR TI - OBITUARY JO - Glasgow mathematical journal PY - 2007 SP - 589 EP - 595 VL - 49 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089507003771/ DO - 10.1017/S0017089507003771 ID - 10_1017_S0017089507003771 ER -