SALAMA, A. A.; SMARANDACHE, Florentin; ALBLOWI, S. A. The Characteristic Function of a Neutrosophic Set. Neutrosophic Sets and Systems, [S. l.], v. 3, p. 14–17, 2014. Disponível em: https://fs.unm.edu/nss8/index.php/111/article/view/549.. Acesso em: 25 nov. 2024.