JOSEF AL JUMAYEL; MARETTA SARKIS; HASAN JAFAR. On Phi-Euler’s Function in Refined Neutrosophic Number Theory and The Solutions of Fermat’s Diophantine Equation. Neutrosophic Sets and Systems, [S. l.], v. 54, p. 68–76, 2023. Disponível em: http://fs.unm.edu/nss8/index.php/111/article/view/3255.. Acesso em: 3 jun. 2024.