%0 Journal Article %A Butzmann, Heinz-Peter %T Pontryagin duality for convergence groups of unimodular continuous functions %J Czechoslovak Mathematical Journal %D 1983 %P 212-220 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101873/ %R 10.21136/CMJ.1983.101873 %G en %F 10_21136_CMJ_1983_101873