SHCHUKIN, Mikhail V. On С ∗-algebras generated by idempotents. Journal of the Belarusian State University. Mathematics and Informatics, [S. l.], n. 3, p. 98–103, 2023. Disponível em: https://journals.bsu.by/index.php/mathematics/article/view/5558. Acesso em: 18 jul. 2026.