학술논문

A Note on the Fourth Coefficient of Strongly Starlike Functions
Document Type
Original Paper
Source
Results in Mathematics: Resultate der Mathematik. June 2017 71(3-4):1185-1189
Subject
Primary 30C45
Univalent functions
strongly starlike functions
fourth coefficient
Language
English
ISSN
1422-6383
1420-9012
Abstract
In this note we remove some error in the proof in Ali and Singh (Results Math 29:197–202, 1996) on the bound of the fourth coefficient in the class of strongly starlike functions.