%0 Journal Article %A Michael A. Bennett %A Yann Bugeaud %T Effective results for restricted rational approximation to quadratic irrationals %J Acta Arithmetica %D 2012 %P 259-269 %V 155 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa155-3-3/ %R 10.4064/aa155-3-3 %G en %F 10_4064_aa155_3_3