BALAKRISHNAN, P. A Uniqueness Theorem for Integral Functions. The Journal of the Indian Mathematical Society, [S. l.], v. 29, n. 1-2, p. 63–69, 1965. DOI: 10.18311/jims/1965/16823. Disponível em: http://informaticsjournals.com/index.php/jims/article/view/16823. Acesso em: 2 may. 2024.