Pratsiovytyi MV, Klymchuk SO, Makarchuk OP. Level sets of asymptotic mean of digits function for $4$-adic representation of real number. MFAT [Internet]. 2016 Jun. 25 [cited 2025 Dec. 16];22(2):184-96. Available from: https://zen.imath.kiev.ua/index.php/mfat/article/view/635