%0 Journal Article %T Special Issue Dedicated to Milan Bareš %J Kybernetika %D 2013 %P 391-394 %V 49 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2013__49_3_a0/ %G en %F KYB_2013__49_3_a0