FRANCIS, Amanda E.; HUMPHRIES, Stephen P. Commutative Schur rings over symmetric groups II: The case n = 6. Journal of Algebra Combinatorics Discrete Structures and Applications, [S. l.], v. 3, n. 2, p. 61–80, 2016. Disponível em: https://www.jacodesmath.com/index.php/jacodesmath/article/view/32. Acesso em: 12 sep. 2026.