“Extended Exp(-I(I)) -Expansion Method for Solving the Generalized Hirota-Satsuma Coupled KdV System”. Global Journal of Science Frontier Research 15, no. F7 (May 15, 2015): 13–21. Accessed April 3, 2026. https://journalofscience.org/index.php/GJSFR/article/view/100914.