%0 Journal Article
%A Duda, Jaromír
%T Congruences generated by filters
%J Commentationes Mathematicae Universitatis Carolinae
%D 1980
%P 1-9
%V 21
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1980__21_1_a0/
%G en
%F CMUC_1980__21_1_a0