TY - JOUR AU - Zoltán Alexin PY - 2010/01/01 Y2 - 2024/03/28 TI - Preface JF - Acta Cybernetica JA - Acta Cybern VL - 19 IS - 4 SE - Regular articles DO - UR - https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/3790 AB - ER -