PAVLENKO, H.; PIRYATINSKA, A. On representations of Cuntz type algebras. Methods of Functional Analysis and Topology, [S. l.], v. 5, n. 3, p. 35–39, 1999. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/96. Acesso em: 17 dec. 2025.