Shoumei Li, Xia Wang, Yoshiaki Okazaki, Jun Kawabe, Toshiaki Murofushi, Li Guan: Nonlinear Mathematics for Uncertainty and its Applications, NL-MUA 2011, Beijing, China, September 7-9, 2011. Advances in Intelligent and Soft Computing 100, Springer 2011, ISBN 978-3-642-22832-2