BONDARENKO, V. M. On connection between $\boxplus$-decomposability and wildness for algebras generated by idempotents. Methods of Functional Analysis and Topology, [S. l.], v. 9, n. 2, p. 120–122, 2003. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/207. Acesso em: 18 dec. 2025.