Косанов, Б., Қайыңбаев, Ж. and Ардабаева, А. 2022. EXTREMUM PROBLEMS RELATED TO A LINEAR FUNCTION. Bulletin of Abai KazNPU. Series of Physical and mathematical sciences. 77, 1 (Mar. 2022), 182–187. DOI:https://doi.org/10.51889/2022-1.1728-7901.25.