%0 Journal Article %A W.A. Veech %T The Billiard in a Regular Polygon. %J Geometric and functional analysis %D 1992 %P 341-380 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/GFA_1992__2_1_58107/ %F GFA_1992__2_1_58107