Arabidze, D., Babilua, P., Nadaraya, E., & Sokhadze, G. A. (2015). Integral Functionals of the Gasser–Muller Regression Function. Ukrains’kyi Matematychnyi Zhurnal, 67(4), 435-446. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/1994