E. Deniz, H. Orhan, and J. Sokół, “Classes of Analytic Functions Defined by a Differential Operator Related to Conic Domains”, Ukr. Mat. Zhurn., vol. 67, no. 9, pp. 1217–1231, Sep. 2015, Accessed: Feb. 16, 2026. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/2060