Mussabekov Калимулла. 2023. “Method of Penalty Functions in One Problem of Optimal Control of a Process In a Chemical Reactor”. Bulletin of L.N. Gumilyov Eurasian National University. Mathematics, Computer Science, Mechanics Series 143 (2):21-33. https://doi.org/10.32523/2616-7182/bulmathenu.2023/2.3.