S. ALAGU; R. KALA. \text { Nonstandard } \chi \text {-hulls of uniform spaces }. Malaya Journal of Matematik, India, v. 9, n. 01, p. 105–106, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/980. Acesso em: 16 jul. 2024.