HARI BABU, K.; JAYALAKSHMI, K. (–1, 1) Rings without Nilpotent Elements. International Journal of Engineering & Technology, [S. l.], v. 7, n. 4.10, p. 387–388, 2018. DOI: 10.14419/ijet.v7i4.10.20943. Disponível em: https://www.sciencepubco.com/index.php/ijet/article/view/20943.. Acesso em: 29 apr. 2024.