%0 Journal Article
%A Navara, Mirko
%T Announcements of new results
%J Commentationes Mathematicae Universitatis Carolinae
%D 1992
%V 33
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1992__33_3_a19/
%G en
%F CMUC_1992__33_3_a19