Close-to-Convexity of Convolutions of Classes of Harmonic Functions. - Raj Kumar Garg; Jay M. Jahangiri (Int. J. Math. Math. Sci., 2018)

Directional Convexity of Convolutions of Harmonic Functions. - Jay M. Jahangiri; Raj Kumar Garg (Int. J. Math. Math. Sci., 2019)