%0 Journal Article
%A Zelinka, Bohdan
%T Distances between directed graphs
%J Časopis pro pěstování matematiky
%D 1987
%P 359-367
%V 112
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CPM.1987.108565/
%R 10.21136/CPM.1987.108565
%G en
%F 10_21136_CPM_1987_108565