N. CHANDRAMATHI; B. SUJATHA. \(\delta \hat{g}\) Closed sets in grill topological spaces . Malaya Journal of Matematik, India, v. 7, n. 04, p. 823–825, 2019. DOI: 10.26637/MJM0704/0031. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1276. Acesso em: 24 nov. 2024.