H. V. DEDANIA; H. J. KANANI. Various Spectral Properties in the Banach Algebra $\mathcal A \times_{c} \mathcal I$ with the Convolution Product. International Journal of Mathematics And its Applications, [S. l.], v. 7, n. 4, p. 9–14, 2019. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/199. Acesso em: 3 jul. 2024.