In this paper, we introduce the subclassesM^(-1)(α), N^(-1)(α), (M^∗)^(-1)(α) and (N^∗)^(-1)(α) of analytic functions of reciprocal order α. Coefficient inequalities and an interesting subordination results are obtained.
Ibrahim, R. W. (2013). The Concept of Fractional Differential Subordination. Tamkang Journal of Mathematics, 44(1), 53-60. https://www.airitilibrary.com/Article/Detail?DocID=00492930-201303-201304030031-201304030031-53-60