RAY, S.; GOLDAR, S. Soft Set and Soft Group from Classical View Point. The Journal of the Indian Mathematical Society, [S. l.], v. 84, n. 3-4, p. 273–286, 2017. DOI: 10.18311/jims/2017/6123. Disponível em: http://mail.informaticsjournals.com/index.php/jims/article/view/6123. Acesso em: 8 jul. 2024.