%0 Journal Article %A Shum, Kar-Ping %T On compressed ideals in topological semigroups %J Czechoslovak Mathematical Journal %D 1975 %P 261-273 %V 25 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1975.101316/ %R 10.21136/CMJ.1975.101316 %G en %F 10_21136_CMJ_1975_101316