%0 Journal Article %A V. N. Berestovskii %A Yu. G. Nikonorov %T Continued Fractions, the Group $\mathrm{GL}(2,\mathbb Z)$, and Pisot Numbers %J Matematičeskie trudy %D 2007 %P 97-131 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_2007_10_1_a3/ %G ru %F MT_2007_10_1_a3