Geodesic
Dihedral covers of the complete graph K_5
Mohsen Ghasemi1 ; Mohsen Ghasemi
1Department of Mathematics, University of Urmia
Acta mathematica Universitatis Comenianae, Tome 83 (2014) no. 2, pp. 231-244 
Mohsen Ghasemi; Mohsen Ghasemi. Dihedral covers of the complete graph K_5. Acta mathematica Universitatis Comenianae, Tome 83 (2014) no. 2, pp. 231-244. http://geodesic.mathdoc.fr/item/AMUC_2014_83_2_a6/
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     author = {Mohsen Ghasemi and Mohsen Ghasemi},
     title = { Dihedral covers of the complete graph {K_5}},
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     year = {2014},
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     url = {http://geodesic.mathdoc.fr/item/AMUC_2014_83_2_a6/}
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Voir la notice de l'article provenant de la source Comenius University

A regular cover of a connected graph is called dihedral if its transformation group is dihedral. In this paper the author classifies all dihedral coverings of the complete graph $K_5$ whose fibre-preserving automorphism subgroups act arc-transitively.