![Planar graphs / Four color theorem / Percy John Heawood / Theorem / Mathematical proof / Five color theorem / Francis Guthrie / Kempe chain / Graph theory / Mathematics / Graph coloring Planar graphs / Four color theorem / Percy John Heawood / Theorem / Mathematical proof / Five color theorem / Francis Guthrie / Kempe chain / Graph theory / Mathematics / Graph coloring](https://www.pdfsearch.io/img/f56a6bce963b3372a4d052d0c576c3ce.jpg)
| Document Date: 2013-10-07 19:22:42 Open Document File Size: 979,53 KBShare Result on Facebook
Company The Athenaeum / / Country Azerbaijan / United Kingdom / / Facility Four Colour Theorem Vincent Schlegel University of Adelaide August / / IndustryTerm telecommunications / / Organization University of Adelaide / / Person Alfred Kempe / Percy Heawood / Francis Guthrie / Julius Petersen / Peter Guthrie Tait / / PublishedMedium The Athenaeum / / URL http /
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