International Journal of Mathematics and Mathematical Sciences 
Volume 3 (1980), Issue 3, Pages 477-481
doi:10.1155/S016117128000035X

On the Hankel determinants of close-to-convex univalent functions

K. Inayat Noor

 Department of Mathematics, Kerman University, Kerman, Iran
Received 9 July 1979; Revised 29 August 1979

Abstract

The rate of growth of Hankel determinant for close-to-convex functions is determined. The results in this paper are best possible.