TY - JOUR AU - Lommatzsch, Klaus TI - Special issue: Editorial [13th Joint Czech-German-Slovak Conference on Mathematical Methods in Economy and Industry] JO - Kybernetika PY - 2004 SP - 517 EP - 518 VL - 40 IS - 5 UR - http://geodesic.mathdoc.fr/item/KYB_2004_40_5_a0/ LA - en ID - KYB_2004_40_5_a0 ER -