@article{JEMS_2011_13_4_a9,
     author = {Vilmos Komornik and Anna Chiara Lai and Marco Pedicini},
     title = {Generalized golden ratios of ternary alphabets},
     journal = {Journal of the European Mathematical Society},
     pages = {1113--1146},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {2011},
     doi = {10.4171/jems/277},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/277/}
}