Dziok, Jacek, Ravinder Krishna Raina, and Janusz Sokól. “Certain Results on Subordinations Associated With a Differintegral Operator”. Mathematica Scandinavica 109, no. 2 (December 1, 2011): 253–268. Accessed July 24, 2026. https://journals.msp.org/mscand/article/view/509.