TY - JOUR AU - János Demetrovics AU - László Hannák PY - 1979/01/01 Y2 - 2024/03/29 TI - The cardinality of closed sets in pre-complete classes in k-valued logics JF - Acta Cybernetica JA - Acta Cybern VL - 4 IS - 3 SE - Regular articles DO - UR - https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3188 AB - ER -