%0 Journal Article %A Yu. Yu. Finkel'shtein %T Klein polygons and reduced regular continued fractions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1993 %P 198-200 %V 48 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1993_48_3_a11/ %G en %F RM_1993_48_3_a11