NE Cho, JA Kim - Computers & Mathematics with Applications, 2006 - Elsevier
… of subordination between analytic functions, we introduce the subclasses S*(7; ¢), K:(7; ¢)
and C(~,fi; ¢,¢) of the class A for 0 _< 7, fi < 1 and ¢,¢ EAf (ef., [8-10]), which are defined by …