Kemelbekova, G. (2015) “Darboux transformation and solution of the modified Korteweg–de Vries equation”, Bulletin of the Karaganda University. Mathematics Series, 80(4), pp. 98–102. Available at: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/67 (Accessed: 8 September 2025).