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 Modern Technologies and Scientific and Technological Progress AU Kobozev, V.. AU Istomin, A.L. AU Krivov, M.. AU Kolmogorov, A.. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»