%0 Journal Article %A Mareš, Milan %T Special issue: Editorial [Issue dedicated to Albert Perez] %J Kybernetika %D 2007 %P 589-590 %V 43 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_2007__43_5_a0/ %G en %F KYB_2007__43_5_a0