Haken, Wolfgang An attempt to understand the four color problem. (English) Zbl 0387.05011 J. Graph Theory 1, 193-206 (1977). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 2 Documents MSC: 05C15 Coloring of graphs and hypergraphs PDF BibTeX XML Cite \textit{W. Haken}, J. Graph Theory 1, 193--206 (1977; Zbl 0387.05011) Full Text: DOI References: [1] Appel, Illinois J. Math. 20 pp 218– (1976) [2] Appel, Illinois J. Math. 21 pp 429– (1977) [3] Birkhoff, Amer. J. Math. 35 pp 114– (1913) [4] Erdös, Illinois J. Math. 19 pp 292– (1975) [5] Haken, J. Combinatorial Theory 14 pp 180– (1973) [6] Untersuchungen zum Vierfarbenproblem. B-I-Hochschulscripten 810/810a/810b, Bibliographisches Institut, Mannheim/Vienna/Zurich, (1969). [7] Heesch, J. Combinatorial Theory 13 pp 46– (1972) [8] Kempe, Amer. J. Math. 2 pp 193– (1879) [9] Mayer, J. Combinatorial Theory [10] The Four Color Problem. Academic Press, New York (1967). · Zbl 0149.21101 [11] Tutte, Utilitas Math. 2 pp 241– (1972) This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. It attempts to reflect the references listed in the original paper as accurately as possible without claiming the completeness or perfect precision of the matching.