%0 Journal Article %A Jakubík, Ján %T On filters of ordered semigroups %J Czechoslovak Mathematical Journal %D 1993 %P 519-522 %V 43 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1993.128415/ %R 10.21136/CMJ.1993.128415 %G en %F 10_21136_CMJ_1993_128415