[1]
V. E. Maiorov, “Best approximation by ridge functions in $L_p$-spaces”, Ukr. Mat. Zhurn., vol. 62, no. 3, pp. 396–408, Mar. 2010, Accessed: Apr. 23, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2875