H. V. DEDANIA; VAISHALI N. GOSWAMI. The Shilov Boundary and Peak Points of the Discrete Beurling Algebras on $\mathbb{Z}_+^2$ and $\mathbb{Z}^2$. International Journal of Mathematics And its Applications, [S. l.], v. 12, n. 2, p. 133–140, 2024. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/1490. Acesso em: 15 sep. 2025.