%0 Journal Article %A McMullen, Curtis %T Billiards and Teichmüller curves on Hilbert modular surfaces %J Journal of the American Mathematical Society %D 2003 %P 857-885 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-03-00432-6/ %R 10.1090/S0894-0347-03-00432-6 %F 10_1090_S0894_0347_03_00432_6