Sokol, Janusz, Jacek Dziok, and M. K. Aouf. “On Certain Classes of Meromorphically P-Valent Starlike and P-Valent Quasi-Convex Functions”. Tamkang Journal of Mathematics 44, no. 3 (September 30, 2013): 271–278. Accessed December 22, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/1030.