SINGH, Gurmail. Fourier matrices of small rank. Journal of Algebra Combinatorics Discrete Structures and Applications, [S. l.], v. 5, n. 2, p. 51–63, 2018. DOI: 10.13069/jacodesmath.369865. Disponível em: https://www.jacodesmath.com/index.php/jacodesmath/article/view/85. Acesso em: 12 sep. 2026.