KAUSHIK, S. K.; KUMAR, V. $\mathcal{AD}$-Frames satisfying Property $\mathcal{B}$. Communications in Mathematics and Applications, [S. l.], v. 3, n. 3, p. 303–312, 2012. DOI: 10.26713/cma.v3i3.214. Disponível em: http://rgnpublications.com/journals/index.php/cma/article/view/214. Acesso em: 24 nov. 2024.