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Guo, Song-Tao
Indian journal of pure and applied mathematics, 12/2020, Letnik: 51, Številka: 4Journal Article
A graph is symmetric if its automorphism group acts transitively on the set of arcs of the graph. Let p be a prime. In this paper, we proved that there is only one connected heptavalent symmetric graphs of order 40 p , it is a vertex primitive graph of order 40.3 = 120 admitting S 7 as its full automorphism group.
