Padmanabhan, K. S. “Estimates of Growth for Certain Convex and Close-to-Convex Functions in the Unit DISC”. The Journal of the Indian Mathematical Society 33, no. 1 (March 1, 1969): 37–48. Accessed May 5, 2024. http://informaticsjournals.com/index.php/jims/article/view/16742.