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.
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Lecko, A., Sim, Y.J. A Note on the Fourth Coefficient of Strongly Starlike Functions. Results Math 71, 1185–1189 (2017). https://doi.org/10.1007/s00025-016-0540-0
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DOI: https://doi.org/10.1007/s00025-016-0540-0