Construction of fusion frame in Cartesian product of two Hilbert spaces. Gulf Journal of Mathematics, [S. l.], v. 11, n. 2, p. 53–64, 2021. DOI: 10.56947/gjom.v11i2.539. Disponível em: https://gjom.org/index.php/gjom/article/view/539. Acesso em: 27 aug. 2026.