Kareem Wanas, Abbas, and Sema Kadhim Jebur. “Geometric Properties for a Family of P-Valent Holomorphic Functions With Negative Coefficients for Operator on Hilbert Space”. Journal of Al-Qadisiyah for Computer Science and Mathematics 10, no. 2 (February 17, 2018): Math Page 1 – 5. Accessed November 16, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/361.