@article{dmtcs:5621, title = {A Note on Graphs of Dichromatic Number 2}, author = {Raphael Steiner}, url = {https://dmtcs.episciences.org/5621}, doi = {10.23638/DMTCS-22-4-11}, journal = {Discrete Mathematics \& Theoretical Computer Science}, issn = {1365-8050}, volume = {vol. 22 no. 4}, issuetitle = {Graph Theory}, eid = 11, year = {2021}, month = {Jan}, keywords = {directed graphs, acyclic colouring, dichromatic number, planar graphs, K5-minor-free graphs, [MATH]Mathematics [math], [MATH.MATH-CO]Mathematics [math]/Combinatorics [math.CO]}, language = {English}, }