KRUHLYAK, S. A.; LIVINS'KYI, I. V. Regular orthoscalar representations of the extended Dynkin graph $\widetilde{E}_8$ and ∗-algebra associatedwith it. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 62, n. 8, p. 1044–1062, 2010. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2936. Acesso em: 5 dec. 2025.