DOKUCHAEV, M. A.; GUBARENI, N. M.; KIRICHENKO, V. V. Rings with finite decomposition of identity. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 63, n. 3, p. 319–340, 2011. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2719. Acesso em: 17 apr. 2025.