%0 Journal Article
%A Nebeský, Ladislav
%T On signpost systems and connected graphs
%J Czechoslovak Mathematical Journal
%D 2005
%P 283-293
%V 55
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMJ_2005__55_2_a1/
%G en
%F CMJ_2005__55_2_a1