1. Non-linear Networks and Systems;Clay,1971
2. Nonlinear Control Engineering;Atherton,1982
3. Theory of Functionals and of Integral and Integro-Differential Equations;Volterra,1959
4. Measuring Volterra kernels;Boyd;IEEE Trans. Circuits Syst.,1983
5. Orthogonal identification of nonlinear difference equation models;Korenberg;Proc. 28th Midwest Symp. Circuit Syst.,1985