TY  - JOUR
AU  - V. I. Arnol'd
TI  - Statistics of the periods of continued fractions for quadratic irrationals
JO  - Izvestiya. Mathematics 
PY  - 2008
SP  - 1
EP  - 34
VL  - 72
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_2008_72_1_a0/
LA  - en
ID  - IM2_2008_72_1_a0
ER  -