Article

Dunker, Fabian, Florens, Jean-Pierre, Hohage, Thorsten, Johannes, Jan and Mammen, Enno (2014) Iterative estimation of solutions to noisy nonlinear operator equations in nonparametric instrumental regression. Journal of Econometrics, vol. 178 (n° 3). pp. 444-455.

Mammen, Enno and Thomas-Agnan, Christine (1999) Smoothing splines and shape restrictions. Scandinavian Journal of Statistics, vol.26 (n°2). pp. 239-252.