V. G. Samoilenko and Y. M. Sidorenko, “Hierarchy of the matrix Burgers equations and integrable reductions in the Davey-Stewartson system”, Ukr. Mat. Zhurn., vol. 50, no. 2, pp. 252–263, Feb. 1998, Accessed: Apr. 13, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/4959