%0 Journal Article
%A Skowronek-Kaziów, J.
%T Properties of digraphs connected with some congruence relations
%J Czechoslovak Mathematical Journal
%D 2009
%P 39-49
%V 59
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMJ_2009__59_1_a2/
%G en
%F CMJ_2009__59_1_a2