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 Syst. [Internet]. 2023 Mar. 1 [cited 2024 Nov. 24];54:68-76. Available from: https://fs.unm.edu/nss8/index.php/111/article/view/3255