%0 Journal Article
%A Duda, Jaromír
%T Announcements of new results
%J Commentationes Mathematicae Universitatis Carolinae
%D 1996
%P 657
%V 37
%N 3
%U http://geodesic.mathdoc.fr/item/CMUC_1996_37_3_a24/
%G en
%F CMUC_1996_37_3_a24