TY JOUR TI OPTIMAL CONTROL OF A LINEAR OBJECT WITH TWO COORDINATES AND ONE CONTROL IN A PROBLEM WITH FIXED ENDS KW linear optimal control problem KW variational calculus JO Modern Technologies and Scientific and Technological Progress AU Kivatitskaya, A.V. AU Istomin, A.L. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»