%0 Journal Article
%A Hochstättler, Winfried
%A Schröder, Felix
%A Steiner, Raphael
%T On the Complexity of Digraph Colourings and Vertex Arboricity
%J Discrete mathematics & theoretical computer science
%D 2020-2021
%V 22
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.23638/DMTCS-22-1-4/
%R 10.23638/DMTCS-22-1-4
%G en
%F DMTCS_2020_22_1_a2