TY - JOUR AU - W. KEITH NICHOLSON TI - Rings whose Elements are Quasi-Regular or Regular JO - Aequationes mathematicae PY - 1973 SP - 64 EP - 70 VL - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AM2_1973__9_136325/ ID - AM2_1973__9_136325 ER -