K M Reymov, A A Alimov, M R Chariyeva. “Selections of Undefined Lagrange Multipliers in the Planning of Short-Term Hydrothermal Power System Modes”. International Journal of Advanced Science and Technology 29, no. 7 (June 1, 2020): 9344-9349. Accessed May 19, 2024. http://sersc.org/journals/index.php/IJAST/article/view/26413.