Every planar map is four colorable
Open Access
- 1 January 1976
- journal article
- Published by American Mathematical Society (AMS) in Bulletin of the American Mathematical Society
- Vol. 82 (5) , 711-712
- https://doi.org/10.1090/s0002-9904-1976-14122-5
Abstract
References [Enhancements On Off] (What's this?)Keywords
This publication has 2 references indexed in Scilit:
- Kempe Chains and the Four Colour ProblemPublished by Springer Nature ,1992
- The existence of unavoidable sets of geographically good configurationsIllinois Journal of Mathematics, 1976