AHUJA, Om P., Sushil KUMAR, and V. RAVICHANDRAN. “Applications of First Order Differential Subordination for Functions With Positive Real Part”. Studia Universitatis Babeș-Bolyai Mathematica 63, no. 3 (September 20, 2018): 303–311. Accessed June 20, 2025. https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/2084.