TY - JOUR AU - NASR-ISFAHANI, A. R. AU - MOUSSAVI, A. TI - ON WEAKLY RIGID RINGS JO - Glasgow mathematical journal PY - 2009 SP - 425 EP - 440 VL - 51 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089509005084/ DO - 10.1017/S0017089509005084 ID - 10_1017_S0017089509005084 ER -