Mussabekov К. (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), pp. 21–33. doi: 10.32523/2616-7182/bulmathenu.2023/2.3.