Selvaraj, C., and N. Vasanthi. “Subclasses of Analytic Functions With Respect to Symmetric and Conjugate Points”. Tamkang Journal of Mathematics 42, no. 1 (March 1, 2011): 87–94. Accessed April 24, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/868.