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Hankel determinants of second and third order for the class S of univalent functions
(Slovak Academy of Sciences, Mathematical Institute, 2021)
In this paper we give the upper bounds of the Hankel determinants of the second and
third order for the class S of univalent functions in the unit disc.
Hankel determinant for a class of analytic functions
(Union of Researchers of Macedonia, R. North Macedonia, 2019)
On the initial coefficients for certain class of functions analytic in the unit disc
(Rocky Mountain Mathematics Consortium, 2020)