A. Y. Piryatinskaya and Y. S. Samoilenko, “Wild problems in the theory of representations of *-algebras generated by generatrices and relations”, Ukr. Mat. Zhurn., vol. 47, no. 1, pp. 70–78, Jan. 1995, Accessed: Apr. 09, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5384