GHOSH, Jayanta; MANDAL, Dhananjoy; SAMANTA, Tapas. Soft structures of groups and rings. International Journal of Scientific World, [S. l.], v. 5, n. 2, p. 117–125, 2017. DOI: 10.14419/ijsw.v5i2.8012. Disponível em: https://sciencepubco.com/index.php/IJSW/article/view/8012.. Acesso em: 18 apr. 2025.