%0 Journal Article %A Simon Baker %T Approximation properties of $\beta $-expansions %J Acta Arithmetica %D 2015 %P 269-287 %V 168 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa168-3-4/ %R 10.4064/aa168-3-4 %G en %F 10_4064_aa168_3_4