%0 Journal Article %A Joan Pairó %T Yosida-Fukamiya's theorem for ƒ-rings %J Fundamenta Mathematicae %D 1983 %P 125-130 %V 116 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-116-2-125-130/ %R 10.4064/fm-116-2-125-130 %G en %F 10_4064_fm_116_2_125_130