%0 Journal Article %A Colville, Peter D. %T Characterizing f-rings %J Glasgow mathematical journal %D 1975 %P 88-90 %V 16 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002561/ %R 10.1017/S0017089500002561 %F 10_1017_S0017089500002561