%0 Journal Article %A Georges Rhin %A Carlo Viola %T On a permutation group related to ΞΆ(2) %J Acta Arithmetica %D 1996 %P 23-56 %V 77 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-77-1-23-56/ %R 10.4064/aa-77-1-23-56 %G en %F 10_4064_aa_77_1_23_56