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@article{DBLP:journals/corr/abs-0905-3713,
author = {Limin Xiang},
title = {A formal proof of the four color theorem},
journal = {CoRR},
volume = {abs/0905.3713},
year = {2009},
ee = {http://arxiv.org/abs/0905.3713},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
Copyright © 2009-06-01 by Michael Ley (ley@uni-trier.de)