[4] Evdokimov, K. (2010), Identification and Estimation of a Nonparametric Panel Data Model with Unobserved Heterogeneity, working paper. [5] Hadamard, J. (1923): Lectures on Cauchy’s Problem in Linear Partial Differential Equations. Yale University Press, New Heaven. [6] Newey, W. (2001), Flexible Simulated Moment Estimation of Nonlinear Errors-in-Variables Models, Review of Economics and Statistics, v. 83, 616-627. [7] Schennach, S. (2007) Instrumental variable estimation in nonlinear errors-in-variables models, Econometrica, v.75, pp. 201-239. [8] Schwartz, L. (1966) ”Th´ eorie des distributions”, Hermann, Paris. [9] Zinde-Walsh, V. (2009), Errors-in-variables models: a generalized func- tions approach, working paper, arXiv:0909.5390v1 [stat.ME], McGill University working paper. [10] Zinde-Walsh, V. (2010), Measurement error and deconvolution in gener- alized functions spaces, working paper, arXiv:1009.4217v1[MATH.ST]. 15