GHOSH, P.; SAMANTA, T. K. Stability of dual $g$-fusion frames in Hilbert spaces. Methods of Functional Analysis and Topology, [S. l.], v. 26, n. 3, p. 227–240, 2020. DOI: https://doi.org/10.31392/MFAT-npu26_3.2020.04. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/761. Acesso em: 15 dec. 2025.