An existence theorem for planar maps
- 1 April 1973
- journal article
- Published by Elsevier in Journal of Combinatorial Theory, Series B
- Vol. 14 (2) , 180-184
- https://doi.org/10.1016/0095-8956(73)90062-2
Abstract
No abstract availableKeywords
This publication has 2 references indexed in Scilit:
- Chromatic reduction of the triangulations Te, e = e5 + e7Journal of Combinatorial Theory, Series B, 1972
- Numerical calculations on the four-color problemJournal of Combinatorial Theory, 1970