%0 Journal Article %A Andreas Knauf %A Pierluigi Contucci %T The phase transition of the number-theoretical spin chain. %J Forum mathematicum %D 1997 %P 547-568 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FORUM_1997__9_2_141811/ %F FORUM_1997__9_2_141811