Timan MF, Khasanov Y. On the absolute summability of Fourier series of almost-periodic besicovitch functions. Ukr. Mat. Zhurn. [Internet]. 2009 Sep. 25 [cited 2025 Dec. 6];61(9):1267-76. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3098