@article{10_4064_aa168_3_4,
     author = {Simon Baker},
     title = {Approximation properties of $\beta $-expansions},
     journal = {Acta Arithmetica},
     pages = {269--287},
     publisher = {mathdoc},
     volume = {168},
     number = {3},
     year = {2015},
     doi = {10.4064/aa168-3-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa168-3-4/}
}