SINGH, H.; MEHROK, B. Subclasses of close-to-convex functions. Tamkang Journal of Mathematics, [S. l.], v. 44, n. 4, p. 377–386, 2013. DOI: 10.5556/j.tkjm.44.2013.1080. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/1080. Acesso em: 29 mar. 2024.