SINGH, R. Meromorphic Close-to-Convex Functions. The Journal of the Indian Mathematical Society, [S. l.], v. 33, n. 1, p. 13–20, 1969. DOI: 10.18311/jims/1969/16740. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/16740. Acesso em: 5 may. 2024.