DONGSHENG, Y. A general method for computing the product of infinite matrices. Tamkang Journal of Mathematics, [S. l.], v. 32, n. 4, p. 253–257, 2001. DOI: 10.5556/j.tkjm.32.2001.339. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/339. Acesso em: 3 may. 2024.