Dyavanal, R. S., and S. B. Kalakoti. “Normality and Uniqueness of Homogeneous Differential Polynomials”. Matematychni Studii 59, no. 2 (June 23, 2023): 168-177. Accessed April 16, 2025. http://matstud.org.ua/ojs/index.php/matstud/article/view/392.