Нурмаганбетова, Ж. ., . Н. . Аширбаев, . А. . Полатбек, and А. Байдибекова. “PPROBLEMS OF PHYSICAL CONTENT, REDUCED TO A SYSTEM OF LINEAR EQUATIONS WITH TWO VARIABLES”. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, vol. 72, no. 4, Dec. 2020, pp. 48-55, doi:10.51889/2020-4.1728-7901.07 .