TY - JOUR TI - Elizabeth A. McHarg JO - Glasgow mathematical journal PY - 2000 SP - 487 EP - 488 VL - 42 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500030159/ DO - 10.1017/S0017089500030159 ID - 10_1017_S0017089500030159 ER -