Myrzakulova, Zh. .R., and K. R. Yesmakhanova. “Dispersionless Limits of Ma Equations”. Journal of Mathematics, Mechanics and Computer Science 102, no. 2 (July 2, 2019): 12–21. Accessed November 24, 2024. https://bm.kaznu.kz/index.php/kaznu/article/view/635.