TY - JOUR AU - Whelan, E. A. TI - An Infinite Construction in Ring Theory JO - Glasgow mathematical journal PY - 1991 SP - 121 EP - 123 VL - 33 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008119/ DO - 10.1017/S0017089500008119 ID - 10_1017_S0017089500008119 ER -