%0 Journal Article %A Berglund, John F. %T Compact semitopological semigroups and affine semigroups %J Czechoslovak Mathematical Journal %D 1969 %P 67-71 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1969.100876/ %R 10.21136/CMJ.1969.100876 %G en %F 10_21136_CMJ_1969_100876