Dynamical systems /
edited by Liao Shan-Tao, Ye Yan-Qian, Ding Tong-Ren.
- Singapore : World Scientific, 1993.
- ix, 320 p.
- Nankai series in pure and applied mathematics and theoretical physics ; vol.4. .
Proceedings of the special program at Nankai Institute of Mathematics, Tianjin, China, September 1990-June 1991.