Livins’kyi, I. V. (2010) “Regular orthoscalar representations of extended dynkin graphs $\widetilde{E}_6$ and $\widetilde{E}_7$ and *-algebras associatedwith them”, Ukrains’kyi Matematychnyi Zhurnal, 62(11), pp. 1459–1472. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2971 (Accessed: 3May2024).