Timan, M.F. and Khasanov, Y. (2009) “On the absolute summability of Fourier series of almost-periodic besicovitch functions”, Ukrains’kyi Matematychnyi Zhurnal, 61(9), pp. 1267–1276. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3098 (Accessed: 10 April 2025).