@inbook{456355473bb142f8865bffbcc8f3bdfd,
title = "Chapter 13 Rational billiards and flat structures",
author = "Howard Masur and Serge Tabachnikov",
note = "Funding Information: Both authorsw ere supportedb y the National Science Foundationg rants.The second authoris gratefutl o the Max-Planck-lnstituint Bonn for its hospitalityW. e are gratefutl o V. BergelsonE, . Gutkin, A. Katok, A. Zorich, C. Judge, and Y. Cheungf or their criticism and help.",
year = "2002",
doi = "10.1016/S1874-575X(02)80015-7",
language = "English (US)",
isbn = "9780444826695",
series = "Handbook of Dynamical Systems",
number = "PART A",
pages = "1015--1089",
editor = "B. Hasselblatt and A. Katok",
booktitle = "Handbook of Dynamical Systems",
edition = "PART A",
}