%0 Journal Article
%A Nešetřil, J.
%A Sopena, E.
%A Vignal, L.
%T $T$-preserving homomorphisms of oriented graphs
%J Commentationes Mathematicae Universitatis Carolinae
%D 1997
%P 125-136
%V 38
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1997__38_1_a10/
%G en
%F CMUC_1997__38_1_a10