SINGH, F. Application of E-Operator to Evaluate a Definite Integral. The Journal of the Indian Mathematical Society, [S. l.], v. 35, n. 1-4, p. 217–225, 1971. DOI: 10.18311/jims/1971/16731. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/16731. Acesso em: 6 may. 2024.