Atish Das Sarma, Amita Gajewar, Richard J. Lipton, Danupon Nanongkai. An Approximate Restatement of the Four-Color Theorem. J. Graph Algorithms Appl., 17(5):567-573, 2013. [doi]
@article{SarmaGLN13,
title = {An Approximate Restatement of the Four-Color Theorem},
author = {Atish Das Sarma and Amita Gajewar and Richard J. Lipton and Danupon Nanongkai},
year = {2013},
doi = {10.7155/jgaa.00304},
url = {http://dx.doi.org/10.7155/jgaa.00304},
researchr = {https://researchr.org/publication/SarmaGLN13},
cites = {0},
citedby = {0},
journal = {J. Graph Algorithms Appl.},
volume = {17},
number = {5},
pages = {567-573},
}