1. Dobrovidov, A.V., Koshkin, G.M., and V.A. Vasiliev (2012). Non-parametric State Space Models, Kendrick Press, 501 p.
2. Fan, J. and Q. Yao (2003). Nonlinear Time Series. Nonparametric and Parametric Methods, Springer, 552 p.
3. Ferraty, F. (Ed.) (2011). Recent Advances in Functional Data Analysis and Related Topics, Springer, 322 p. Ferraty, F. and Ph. Vieu (2006). Nonparametric Functional Data Analysis. Theory and Practice. Springer, 260 p.
4. Györfi, L., Kohler, M., Krzyzak, A., and H. Walk (2002). A Distribution-Free Theory of Nonparametric Regression, Springer, 650 p.
5. Ljung, L. (1975). “Theorems for the asymptotic analysis of recursive stochastic algorithms”, Report 7522, December 1975, Department of Automatic Control, Lund Institute of Technology.