[1]
V. L. Ostrovskii, “Representation of an algebra associated with the Dynkin graph $\tilde E_7$”, Ukr. Mat. Zhurn., vol. 56, no. 9, pp. 1193–1202, Sep. 2004, Accessed: Feb. 16, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3835