Leonard, John L. Graphs with 6-ways. (English) Zbl 0253.05137 Can. J. Math. 25, 687-692 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 05C35 Extremal problems in graph theory PDFBibTeX XMLCite \textit{J. L. Leonard}, Can. J. Math. 25, 687--692 (1973; Zbl 0253.05137) Full Text: DOI