Koshkarbayev, N. M., and B. T. Torebek. “Nonexistence of Travelling Wave Solution of the Korteweg-De Vries Benjamin Bona Mahony Equation”. International Journal of Mathematics and Physics 10, no. 1 (June 26, 2019): 51–55. Accessed November 21, 2024. https://ijmph.kaznu.kz/index.php/kaznu/article/view/278.