HentoshО. Ye. “Lax-Integrable Laberge–Mathieu Hierarchy of Supersymmetric Nonlinear Dynamical Systems and Its Finite-Dimensional Reduction of Neumann Type”. Ukrains’kyi Matematychnyi Zhurnal 61, no. 7 (July 25, 2009): 906-921. Accessed April 19, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3066.