KukushA. G., and ZwanzigS. “On an Adaptive Estimator of the Least Contrast in a Model With Nonlinear Functional Relations”. Ukrains’kyi Matematychnyi Zhurnal 53, no. 9 (September 25, 2001): 1204-1209. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4338.