Please treat the manual as a draft of a part of
a book to be published, you can freely distribute the electronic
version but it is not allowed to copy it in published books.
Li Dongfeng,
Department of Probability and Statistics,
Peking University,
Beijing 100871,
P.R. China,
Email: ldf@math.pku.edu.cn,
Homepage: http://www.math.pku.edu.cn/teachers/lidf/index.html