Kosanov Б., Kayynbayev Ж. and Ardabayeva А. (2022) “EXTREMUM PROBLEMS RELATED TO A LINEAR FUNCTION”, Bulletin of Abai KazNPU. Series of Physical and mathematical sciences. Almaty, Kazakhstan, 77(1), pp. 182–187. doi: 10.51889/2022-1.1728-7901.25.