For citations:

Turgumbaev M.Zh., Mukhambetzhan M.A., Suleimenova Z.R. WEIGHT INEQUALITIES FOR THE SUM OF SERIES WITH RESPECT TO THE MULTIPLICATIVE SYSTEMS. Herald of the Kazakh-British Technical University. 2025;22(3):231-242. (In Russ.) https://doi.org/10.55452/1998-6688-2025-22-3-231-242