%0 Journal Article
%A Imrich, Wilfried
%A Klöckl, Werner
%T Factoring directed graphs with respect to the cardinal product in polynomial time II
%J Discussiones Mathematicae. Graph Theory
%D 2010
%P 461-474
%V 30
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DMGT_2010_30_3_a8/
%G en
%F DMGT_2010_30_3_a8