%0 Journal Article %A Abian, Alexander %A Amin, Wael A. %T Existence of prime ideals and ultrafilters in partially ordered sets %J Czechoslovak Mathematical Journal %D 1990 %P 159-163 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102367/ %R 10.21136/CMJ.1990.102367 %G en %F 10_21136_CMJ_1990_102367