TY - JOUR AU - Halaš, Radomír TI - Decompositions of directed sets with zero JO - Mathematica slovaca PY - 1995 SP - 9 EP - 17 VL - 45 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1995__45_1_a1/ LA - en ID - MASLO_1995__45_1_a1 ER -