Hussein, Dhirgam Allawy, and Yusra Mohammed Lauibi. “A Certain Class of Analytic Functions Associated With Beta Negative Binomial Distribution Defined on Complex Hilbert Space”. Journal of Al-Qadisiyah for Computer Science and Mathematics, vol. 15, no. 1, Apr. 2023, pp. Math Page 92-100, doi:10.29304/jqcm.2023.15.1.1171.