Harary, Frank; Palmer, Edgar M. On the number of orientations of a given graph. (English) Zbl 0135.42105 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 14, 125-128 (1966). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 1 Document Keywords:topology PDF BibTeX XML Cite \textit{F. Harary} and \textit{E. M. Palmer}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 14, 125--128 (1966; Zbl 0135.42105)