Kapustyan OV, Stanzhytskyi OM, Fartushny ID. Averaging method in the problem of optimal control for a perturbed parabolic equation. Ukr. Mat. Zhurn. [Internet]. 2022 Aug. 9 [cited 2025 Apr. 13];74(7):973-9. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/7016