International Journal of Mathematics and Mathematical Sciences 
Volume 13 (1990), Issue 1, Pages 189-192
doi:10.1155/S0161171290000278

Note on certain subclass of close-to-convex functions of order α

Shigeyoshi Owa,1 M. K. Aouf,2 and M. A. Nasr3

1Department of Mathematics, Kinki University, Osaka, Higashi-Osaka 577, Japan
2Department of Mathematics, Faculty of Science, University of Qatar, P.O. BOX 2713, Doha, Qatar
3Department of Mathematics, Faculty of Science, University of Mansoura, Mansoura, Egypt

Received 25 April 1988

Abstract

The object of the present paper is to show a result for functions belonging to the class R(α) which is the subclass of close-to-convex functions in the unit disk U.