A Comparison Study of Non-Standard Analysis and Non-Archimedean Ultrametric Theory. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 3, n. 02, p. 3601–3607, 2016. Disponível em: http://igmpublication.com/ijetst.in/index.php/ijetst/article/view/1021. Acesso em: 28 sep. 2026.