@article{JEMS_2007_9_1_a6,
     author = {Karma Dajani and Martijn de Vries},
     title = {Invariant densities for random $\beta$-expansions},
     journal = {Journal of the European Mathematical Society},
     pages = {157--176},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2007},
     doi = {10.4171/jems/76},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/76/}
}