YAMANCI, U. \((e)\)-convergence for double sequences. Malaya Journal of Matematik, India, v. 9, n. 04, p. 216–221, 2021. DOI: 10.26637/mjm904/005. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/39. Acesso em: 19 may. 2024.