Tham khảo Định lý bốn màu

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Allaire, F. (1997), “Another proof of the four colour theorem—Part I”, Proceedings, 7th Manitoba Conference on Numerical Mathematics and Computing, Congr. Numer. 20: 3–72
Appel, Kenneth; Haken, Wolfgang (1977), “Every Planar Map is Four Colorable Part I. Discharging”, Illinois Journal of Mathematics 21: 429–490
Appel, Kenneth; Haken, Wolfgang; Koch, John (1977), “Every Planar Map is Four Colorable Part II. Reducibility”, Illinois Journal of Mathematics 21: 491–567
Appel, Kenneth; Haken, Wolfgang (tháng 10 năm 1977), “Solution of the Four Color Map Problem”, Scientific American 237 (4): 108–121, doi:10.1038/scientificamerican1077-108 Chú thích sử dụng tham số |month= bị phản đối (trợ giúp)
Appel, Kenneth; Haken, Wolfgang (1989), Every Planar Map is Four-Colorable, Providence, RI: American Mathematical Society, ISBN 0-8218-5103-9
Bernhart, Frank R. (1977), “A digest of the four color theorem.”, Journal of Graph Theory 1: 207–225, doi:10.1002/jgt.3190010305
Cayley, Arthur (1879), “On the colourings of maps”, Proc. Royal Geographical Society (Blackwell Publishing) 1 (4): 259–261, JSTOR 1799998, doi:10.2307/1799998
Fritsch, Rudolf; Fritsch, Gerda (1998), The Four Color Theorem: History, Topological Foundations and Idea of Proof, New York: Springer, ISBN 978-0-387-98497-1
Gonthier, Georges (2008), “Formal Proof—The Four-Color Theorem” (PDF), Notices of the American Mathematical Society 55 (11): 1382–1393
Gonthier, Georges (2005), A computer-checked proof of the four colour theorem (PDF), unpublished
Hadwiger, Hugo (1943), “Über eine Klassifikation der Streckenkomplexe”, Vierteljschr. Naturforsch. Ges. Zürich 88: 133–143
Heawood, P. J. (1890), “Map-Colour Theorem”, Quarterly Journal of Mathematics, Oxford 24: 332–338
Magnant, C.; Martin, D. M. (2011), “Coloring rectangular blocks in 3-space”, Discussiones Mathematicae Graph Theory 31 (1): 161–170
Nash-Williams, C. St. J. A. (1967), “Infinite graphs—a survey”, J. Combinatorial Theory 3: 286–301, MR 0214501 .
O'Connor; Robertson (1996), The Four Colour Theorem, MacTutor archive
Pegg, A.; Melendez, J.; Berenguer, R.; Sendra, J. R.; Hernandez; Del Pino, J. (2002), “Book Review: The Colossal Book of Mathematics” (PDF), Notices of the American Mathematical Society 49 (9): 1084–1086, Bibcode:2002ITED...49.1084A, doi:10.1109/TED.2002.1003756
Reed, Bruce; Allwright, David (2008), “Painting the office”, Mathematics-in-Industry Case Studies 1: 1–8
Ringel, G.; Youngs, J.W.T. (1968), “Solution of the Heawood Map-Coloring Problem”, Proc. Nat. Acad. Sci. USA 60 (2): 438–445, PMC 225066, PMID 16591648, doi:10.1073/pnas.60.2.438
Robertson, Neil; Sanders, Daniel P.; Seymour, Paul; Thomas, Robin (1996), “Efficiently four-coloring planar graphs”, Efficiently four-coloring planar graphs, STOC'96: Proceedings of the twenty-eighth annual ACM symposium on Theory of computing, ACM Press, tr. 571–575, doi:10.1145/237814.238005
Robertson, Neil; Sanders, Daniel P.; Seymour, Paul; Thomas, Robin (1997), “The Four-Colour Theorem”, J. Combin. Theory Ser. B 70 (1): 2–44, doi:10.1006/jctb.1997.1750
Saaty, Thomas; Kainen, Paul (1986), “The Four Color Problem: Assaults and Conquest”, Science (New York: Dover Publications) 202 (4366): 424, Bibcode:1978Sci...202..424S, ISBN 0-486-65092-8, doi:10.1126/science.202.4366.424
Swart, ER (1980), “The philosophical implications of the four-color problem” (PDF), American Mathematical Monthly (Mathematical Association of America) 87 (9): 697–702, JSTOR 2321855, doi:10.2307/2321855
Thomas, Robin (1998), “An Update on the Four-Color Theorem” (PDF), Notices of the American Mathematical Society 45 (7): 848–859
Thomas, Robin (1995), The Four Color Theorem
Thomas, Robin, Recent Excluded Minor Theorems for Graphs (PDF), tr. 14
Wilson, Robin (2002), Four Colors Suffice, London: Penguin Books, ISBN 0-691-11533-8

Tài liệu tham khảo

WikiPedia: Định lý bốn màu http://www.micsjournal.ca/index.php/mics/article/v... http://research.microsoft.com/en-us/um/people/gont... http://people.math.gatech.edu/~thomas/FC/fourcolor... http://people.math.gatech.edu/~thomas/PAP/bcc.pdf http://adsabs.harvard.edu/abs/1978Sci...202..424S http://adsabs.harvard.edu/abs/2002ITED...49.1084A //www.ncbi.nlm.nih.gov/pmc/articles/PMC225066 //www.ncbi.nlm.nih.gov/pubmed/16591648 //www.ams.org/mathscinet-getitem?mr=0214501 http://www.ams.org/notices/199807/thomas.pdf