Search results
Appearance
- 657–672. Ringel, G. (2012) [1974]. Map Color Theorem. Springer. ISBN 978-3-642-65759-7. Cori, R. (1975). "Un code pour les graphes planaires et ses applications"...9 KB (823 words) - 07:31, 9 September 2024
- Ringel, Gerhard (1974). Map color theorem. Berlin: Springer. ISBN 978-3-642-65759-7. OCLC 679997454. Hartsfield, Nora; Ringel, Gerhard (1990). Pearls...5 KB (418 words) - 02:01, 12 November 2023
- of surfaces", Map Color Theorem, Springer, pp. 34–53, doi:10.1007/978-3-642-65759-7_3, ISBN 978-3-642-65761-0 Richeson, David S. (2008), Euler's Gem:...91 KB (10,154 words) - 03:12, 20 September 2024