TY - JOUR AU - Colville, Peter D. TI - Characterizing f-rings JO - Glasgow mathematical journal PY - 1975 SP - 88 EP - 90 VL - 16 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002561/ DO - 10.1017/S0017089500002561 ID - 10_1017_S0017089500002561 ER -