T. G. Thange, and S. S. Jadhav. “Some Properties for Subclass of Analytic Functions With Nonzero Coefficients”. Malaya Journal of Matematik 8, no. 04 (October 1, 2020): 2259–2262. Accessed November 24, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1894.