Wehrfritz В. A. F. The Konov nesting of enveloping algebra into the ring with divisions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 6, p. 729–735, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8003. Acesso em: 7 apr. 2025.