SMITH, K. P.; WRIGHT, F. M. On the Equality of a Lane Integral and a Stieltjes Mean Sigma Integral. The Journal of the Indian Mathematical Society, [S. l.], v. 33, n. 1, p. 7–12, 1969. DOI: 10.18311/jims/1969/16739. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/16739. Acesso em: 4 may. 2024.