Optimal control in environmental systems and stability analysisD. T. Muhamediyeva, N. S. Mamatov, M. H. Raupova, Umirzok Kholiyorov and Maksud YakhyaevE3S Web Conf., 623 (2025) 01030DOI: https://doi.org/10.1051/e3sconf/202562301030