Pratsiovytyi, M.V., Klymchuk, S.O. and Makarchuk, O.P. (2016) “Level sets of asymptotic mean of digits function for $4$-adic representation of real number”, Methods of Functional Analysis and Topology, 22(2), pp. 184–196. Available at: https://zen.imath.kiev.ua/index.php/mfat/article/view/635 (Accessed: 16 December 2025).