YAMANCI, Ulas; GURDAL, Mehmet. I-statistically pre-Cauchy double sequences. Global Journal of Mathematical Analysis, [S. l.], v. 2, n. 4, p. 297–303, 2014. DOI: 10.14419/gjma.v2i4.3135. Disponível em: https://sciencepubco.com/index.php/GJMA/article/view/3135.. Acesso em: 9 apr. 2025.