Turgumbaev, M.Zh., Z.R. Suleimenova, and D.I. Tungushbaeva. “On Weighted Integrability of the Sum of Series With Monotone Coefficients With Respect to Multiplicative Systems”. Bulletin of the Karaganda University. Mathematics Series 110, no. 2 (June 30, 2023): 160–168. Accessed December 8, 2025. https://mts.buketov.edu.kz/mathematics-vestnik/article/view/575.