TY - JOUR AU - Abian, Alexander AU - Amin, Wael A. TI - Existence of prime ideals and ultrafilters in partially ordered sets JO - Czechoslovak Mathematical Journal PY - 1990 SP - 159 EP - 163 VL - 40 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102367/ DO - 10.21136/CMJ.1990.102367 LA - en ID - 10_21136_CMJ_1990_102367 ER -