Geodesic
Estimates of the first coefficients on a class of typically real functions
Zapiski Nauchnykh Seminarov POMI, Investigations on linear operators and function theory. Part 47, Tome 480 (2019), pp. 103-107 
E. G. Goluzina. Estimates of the first coefficients on a class of typically real functions. Zapiski Nauchnykh Seminarov POMI, Investigations on linear operators and function theory. Part 47, Tome 480 (2019), pp. 103-107. http://geodesic.mathdoc.fr/item/ZNSL_2019_480_a6/
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     title = {Estimates of the first coefficients on a class of typically real functions},
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Voir la notice du chapitre de livre provenant de la source Math-Net.Ru

Estimates of the first coefficients on a class of typically real functions. Let $T$ be the class of functions $f(z)=z+\sum\limits^{\infty}_{n=2} c_nz^n$ regular and typically real in the disk $|z|<1$. Sharp estimates for the coefficient $c_3$ in terms $f(z)$ are obtained.

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