Turgumbaev M, Suleimenova Z, Tungushbaeva D. On weighted integrability of the sum of series with monotone coefficients with respect to multiplicative systems. M [Internet]. 2023 Jun. 30 [cited 2025 Jul. 10];110(2):160-8. Available from: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/575