CesARo Mean of Product Summability of Partial Differential Equations of Sequences. Global Journal of Science Frontier Research, [S. l.], v. 13, n. 52, p. 99–100, 2013. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/. Acesso em: 22 oct. 2026.