[30] Stone, Ch.J. (1982) Optimal global rates of convergence for nonpara- metric regression, The Annals of Statistics, v. 10, 1040-1053. 

[31] Sobolev, S.L. (1992) Cubature Formulas and Modern Analysis. Gordon and Breach Science Publishers. 

[32] Wang, L. and Ch.Hsiao (2011), Method of Moments estimation and iden- tifiability of semiparametic nonlinear errors-in-variables models, Journal of Econometrics, pp. 901-937. 

[33] Zinde-Walsh, V. (2008), Kernel Estimation when Density May not Exist, Econometric Theory, v.24, 696-725. 

[34] Zinde-Walsh, V. (2009), Errors-in-variables models: a generalized func- tions approach, working paper, arXiv:0909.5390v1 [stat.ME], McGill University working paper. 

[35] Zinde-Walsh, V. (2011), Presidential Address: Mathematics in eco- nomics and econometrics, Canadian Journal of Economics, v.44, pp. 1052-1068. 

[36] Zinde-Walsh (2012) Identification and well-posedness in nonparametric models with independence conditions, submitted chapter, Handbook of Applied Nonparametric and Semiparametric Econometrics and Statis- tics, Oxford University Press. 

