Every planar map is four colorable
type: Item
instance of: scholarly article
title: Every planar map is four colorable
zbMATH Open document ID: 0331.05106
DOI: 10.1090/S0002-9904-1976-14122-5
author: Kenneth I. Appel
author: Wolfgang Haken
published in: Bulletin of the American Mathematical Society
publication date: 1976-01-01T00:00:00Z
Mathematics Subject Classification ID: 05C15
zbMATH DE Number: 3517182
Wikidata QID: Q56390610
MaRDI profile type: Publication
cites work: A systematic approach to the determination of reducible configurations in the four-color conjecture
cites work: The existence of unavoidable sets of geographically good configurations
cites work: Q5578802
cites work: Q5666577
description: scientific article; zbMATH DE number 3517182