SidorenkoYu. M. “Binary Transformations and (2 + 1)-Dimensional Integrable Systems”. Ukrains’kyi Matematychnyi Zhurnal 54, no. 11 (November 25, 2002): 1531-1550. Accessed September 1, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4190.