%0 Journal Article %A Kell Cheng %A Hugh Williams %T Some results concerning certain periodic continued fractions %J Acta Arithmetica %D 2005 %P 247-264 %V 117 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa117-3-3/ %R 10.4064/aa117-3-3 %G en %F 10_4064_aa117_3_3