Convexity of a class of functions related to classes of starlike functions and functions with boundary rotation S. Bhargava; S. Nanjunda Rao — 1989 Annales Polonici Mathematici
On a class of functions unifying the classes of Paatero, Robertson and others. Bhargava, S.; Nanjunda, Rao S. — 1988 International Journal of Mathematics and Mathematical Sciences