%0 Journal Article
%A Zelinka, Bohdan
%T Isotopy of digraphs
%J Czechoslovak Mathematical Journal
%D 1972
%P 353-360
%V 22
%N 3
%I mathdoc
%U https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1972.101106/
%R 10.21136/CMJ.1972.101106
%G en
%F 10_21136_CMJ_1972_101106