%0 Journal Article %A Jurečková, Jana %T Special issue: Minisymposium in honour of Jaroslav Hájek %J Kybernetika %D 1995 %V 31 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1995__31_3_a0/ %G en %F KYB_1995__31_3_a0