00694naa#a2200181#i#450# EN\\bibl\122834 20260523045839.6 2686-9896 20260515b2026####ek#y0engy0150####ca RU MATHEMATICAL STATEMENT OF THE OPTIMAL CONTROL PROBLEM FOR THE FIRST STAGE OF STYRENE POLYMERIZATION PROCESS Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2026 1 с. Journal article local Точная механика. 681 Kobozev Vladimir Yur'evich Istomin Andrey Leonidovich angtu.editorum.ru