%0 Journal Article %A A. V. Ustinov %T Spin chains and Arnold's problem on the Gauss-Kuz'min statistics for quadratic irrationals %J Sbornik. Mathematics %D 2013 %P 762-779 %V 204 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2013_204_5_a5/ %G en %F SM_2013_204_5_a5