Jan van den Heuvel, David R. Wood. Improper colourings inspired by Hadwiger's conjecture. J. London Math. Society, 98(1):129-148, 2018. [doi]
@article{HeuvelW18,
title = {Improper colourings inspired by Hadwiger's conjecture},
author = {Jan van den Heuvel and David R. Wood},
year = {2018},
doi = {10.1112/jlms.12127},
url = {https://doi.org/10.1112/jlms.12127},
researchr = {https://researchr.org/publication/HeuvelW18},
cites = {0},
citedby = {0},
journal = {J. London Math. Society},
volume = {98},
number = {1},
pages = {129-148},
}