M.RAJKUMAR , M.CHANDRAMOULEESWARAN. S – Valued Semi Homomorphism. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 4, n. 07, p. 5317–5325, 2017. Disponível em: http://ijetst.in/index.php/ijetst/article/view/1181. Acesso em: 20 may. 2024.