Parihar, Hari, Ritu Agarwal, and G. Paliwal. “Families of Multivalent Analytic Functions Associated With the Convolution Structure”. Journal of Progressive Research in Mathematics 6, no. 1 (December 17, 2015): 741-745. Accessed May 14, 2024. http://scitecresearch.com/journals/index.php/jprm/article/view/533.