[1]
M. F. Timan, “On the best approximations of functions defined on zero-dimensional groups”, Ukr. Mat. Zhurn., vol. 64, no. 5, pp. 719–728, May 2012, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2611