%0 Journal Article %A Żelazko, Wiesław %T Continuous characters and joint topological spectrum %J Control and Cybernetics %D 2007 %P 859-864 %V 36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2007_36_3_a25/ %G en %F CC_2007_36_3_a25