Douglas, Robert J. Tournaments that admit exactly one Hamiltonian circuit. (English) Zbl 0207.23004 Proc. Lond. Math. Soc., III. Ser. 21, 716-730 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 16 Documents MSC: 05C20 Directed graphs (digraphs), tournaments PDF BibTeX XML Cite \textit{R. J. Douglas}, Proc. Lond. Math. Soc. (3) 21, 716--730 (1970; Zbl 0207.23004) Full Text: DOI Link