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An application of Jack-Fukui-Sakaguchi Lemma
Janusz Sokol,Mamoru Nunokawa,Huo Tang
Keywords:close-to-convex functions; convex functions; starlike functions
Abstract:
      We present some applications of Jack-Fukui-Sakaguchi Lemma which become sufficient criteria for a function to be in the class of strongly starlike, strongly close-to-convex or in the other classes.