%0 Journal Article %A Saitô, Tôru %T Archimedean classes in an ordered semigroup. III %J Czechoslovak Mathematical Journal %D 1976 %P 248-251 %V 26 %N 2 %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101395/ %R 10.21136/CMJ.1976.101395 %G en %F 10_21136_CMJ_1976_101395