Siroid I.-P. P. “Matrix Solutions of the Equations $\mathfrak{B}U_t= -U_{xx} + 2U^3+\mathfrak{B} [U_x,U]+4cU$: Development of the Method of the Inverse Problem of Dissipation”. Ukrains’kyi Matematychnyi Zhurnal 44, no. 9 (October 7, 1992): 1264-1275. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/8179.