%0 Journal Article %A Chvalina, Jan %T Range closure extension of input-output relations of topological general systems %J Časopis pro pěstování matematiky %D 1983 %P 208-213 %V 108 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1983.108409/ %R 10.21136/CPM.1983.108409 %G en %F 10_21136_CPM_1983_108409