K. PRAVEEN KUMAR; B. KRISHNA REDDY. \text { A bit on the zeros of } D_\alpha f(z) \text { of a polynomial } f(z). Malaya Journal of Matematik, India, v. 9, n. 01, p. 360–368, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1038. Acesso em: 16 jul. 2024.