TY - JOUR AU - Novák, Vítězslav TI - Some cardinal characteristics of ordered sets JO - Czechoslovak Mathematical Journal PY - 1998 SP - 135 EP - 144 VL - 48 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/CMJ_1998__48_1_a11/ LA - en ID - CMJ_1998__48_1_a11 ER -