Chaichenko S. O., ShidlichA. L., and ShulykT. V. “Direct and Inverse Approximation Theorems in the Besicovitch – Musielak – Orlicz Spaces of Almost Periodic Functions ”. Ukrains’kyi Matematychnyi Zhurnal 74, no. 5 (June 17, 2022): 701 - 716. Accessed September 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/7045.