SARANGI, S. M., and SUGUNA B. URALEGADDI. “MEROMORPHIC UNIVALENT FUNCTIONS WITH NEGATIVE COEFFICIENTS”. Tamkang Journal of Mathematics 27, no. 1 (March 1, 1996): 81–88. Accessed July 30, 2025. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4365.