%0 Journal Article %A NICHOLSON, W. K. %A ZHOU, Y. %T RINGS IN WHICH ELEMENTS ARE UNIQUELY THE SUM OF AN IDEMPOTENT AND A UNIT %J Glasgow mathematical journal %D 2004 %P 227-236 %V 46 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089504001727/ %R 10.1017/S0017089504001727 %F 10_1017_S0017089504001727