SRISUK, S. Diophantine Equation f(n)=n. Asian Journal of Applied Sciences, [S. l.], v. 9, n. 2, 2021. DOI: 10.24203/ajas.v9i2.6613. Disponível em: https://ajouronline.com/index.php/AJAS/article/view/6613. Acesso em: 19 apr. 2024.