TY - JOUR AU - Jain, S. K. AU - López-Permouth, S. R. AU - Singh, Surjeet TI - On a class of QI-rings JO - Glasgow mathematical journal PY - 1992 SP - 75 EP - 81 VL - 34 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008557/ DO - 10.1017/S0017089500008557 ID - 10_1017_S0017089500008557 ER -