Skrypnik, I.V. (1993) “On the Hölder property for functions from the class $B_{q, s}$”, Ukrains’kyi Matematychnyi Zhurnal, 45(7), pp. 1020–1028. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5895 (Accessed: 14 April 2025).