PARAMESWARAN, S. A Tauberian Theorem Concerning Slowly Oscillating Functions. The Journal of the Indian Mathematical Society, [S. l.], v. 25, n. 3-4, p. 229–235, 1961. Disponível em: http://www.informaticsjournals.com/index.php/jims/article/view/22062. Acesso em: 14 may. 2024.