Heesch, H. Chromatic reduction of the triangulations \(T_e, e=e_5+e_7\). (English) Zbl 0242.05110 J. Comb. Theory, Ser. B 13, 46-55 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 6 Documents MSC: 05C10 Planar graphs; geometric and topological aspects of graph theory 57M15 Relations of low-dimensional topology with graph theory 05-04 Software, source code, etc. for problems pertaining to combinatorics PDF BibTeX XML Cite \textit{H. Heesch}, J. Comb. Theory, Ser. B 13, 46--55 (1972; Zbl 0242.05110) Full Text: DOI