%0 Journal Article %A O. N. Karpenkov %T Two-dimensional continued fractions of hyperbolic integer matrices %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2004 %P 959-960 %V 59 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_2004_59_5_a8/ %G en %F RM_2004_59_5_a8