Igor Fabrici, Jochen Harant, Stanislav Jendrol, Roman Sotak. A note on vertex colorings of plane graphs. Discussiones Mathematicae Graph Theory, 34(4):849-855, 2014. [doi]
@article{FabriciHJS14,
title = {A note on vertex colorings of plane graphs},
author = {Igor Fabrici and Jochen Harant and Stanislav Jendrol and Roman Sotak},
year = {2014},
url = {http://www.discuss.wmie.uz.zgora.pl/gt/index.php?doi=10.7151/dmgt.1771},
researchr = {https://researchr.org/publication/FabriciHJS14},
cites = {0},
citedby = {0},
journal = {Discussiones Mathematicae Graph Theory},
volume = {34},
number = {4},
pages = {849-855},
}