FRÖBERG, Ralf. A note on the algebra of threshold graphs. Journal of Algebra Combinatorics Discrete Structures and Applications, [S. l.], v. 13, n. 2, p. 143–149, 2026. DOI: 10.13069/jacodesmath.v13i2.396. Disponível em: https://www.jacodesmath.com/index.php/jacodesmath/article/view/396. Acesso em: 19 aug. 2026.