%0 Journal Article %A Lommatzsch, Klaus %T Special issue: Editorial [13th Joint Czech-German-Slovak Conference on Mathematical Methods in Economy and Industry] %J Kybernetika %D 2004 %P 517-518 %V 40 %N 5 %U http://geodesic.mathdoc.fr/item/KYB_2004_40_5_a0/ %G en %F KYB_2004_40_5_a0