%0 Journal Article %A Larson, Suzanne %T Convexity Conditions on f-Rings %J Canadian journal of mathematics %D 1986 %P 48-64 %V 38 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-003-6/ %R 10.4153/CJM-1986-003-6 %F 10_4153_CJM_1986_003_6