TEAM, S. Hyperidentities in $(xx)y \approx x(yx)$ Graph Algebras of Type (2; 0): W. Hemvong, T. Poomsa-ard. Thai Journal of Mathematics, [S. l.], v. 5, n. 3, p. 101–110, 2007. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/107. Acesso em: 22 dec. 2024.