Timan, M. F. “On Uniform Approximations of Almost Periodic Functions by Entire Functions of Finite Degree”. Ukrains’kyi Matematychnyi Zhurnal 47, no. 9 (September 25, 1995): 1274–1279. Accessed June 2, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5528.