%0 Journal Article %A Hitoshi Nakada %T On the Lenstra constant associated to the Rosen continued fractions %J Journal of the European Mathematical Society %D 2010 %P 55-70 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/189/ %R 10.4171/jems/189 %F JEMS_2010_12_1_a2