TY JOUR TI OPTIMAL CONTROL OF THE HEATING OF THE PERIODIC STYRENE POLYMERIZATION REACTOR KW optimal control KW speed problem KW steam heating KW styrene polymerization JO Bulletin of the Angarsk State Technical University AU Kobozev, V.. AU Istomin, A.L. AU Krivov, M.. AU Kolmogorov, A.. PY 2025 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»