Bello, R., and T. O. Opoola. “On Some Properties of a Class of Analytic Functions Defined by Salagean Differential Operator”. Journal of Progressive Research in Mathematics 18, no. 3 (September 11, 2021): 82-89. Accessed November 23, 2024. http://scitecresearch.com/journals/index.php/jprm/article/view/1985.