1. A Generalized linear model with “Gaussian” regressor variables;Brillinger,1983
2. On projection pursuit regression;Hall;Ann. Statist.,1989
3. On projection pursuit approximation for nonparametric regresion;Zhu,1992
4. H. Ichimura, Estimation of single index models. Ph.D. Dissertation, Dept. Economics, MIT, 1987.
5. Optimal smoothing in single-index models;Härdle;Ann. Statist.,1993