@article{FORUM_1997__9_2_141811,
     author = {Andreas Knauf and Pierluigi Contucci},
     title = {The phase transition of the number-theoretical spin chain.},
     journal = {Forum mathematicum},
     pages = {547--568},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {1997},
     zbl = {0896.11033},
     url = {http://geodesic.mathdoc.fr/item/FORUM_1997__9_2_141811/}
}