On distortion theorems for typically real functions
Zapiski Nauchnykh Seminarov POMI, Analytical theory of numbers and theory of functions. Part 24, Tome 371 (2009), pp. 171-175
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The author's investigation in the class $T$ of typically real functions $f(z)$ in the disk $|z|1$ are prolonged. The region of values of $f'(z_1)$ in the class of functions $f\in T$ with fixed values $f(z_1)$ and $f(r_j)$ $(j=1,2)$ is determined. Here $|z_1|1$, $\operatorname{Im}z_1\ne0$, $0$ $(j=1,2)$. Bibl. – 4 titles.
@article{ZNSL_2009_371_a12,
author = {E. G. Goluzina},
title = {On distortion theorems for typically real functions},
journal = {Zapiski Nauchnykh Seminarov POMI},
pages = {171--175},
publisher = {mathdoc},
volume = {371},
year = {2009},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/ZNSL_2009_371_a12/}
}
E. G. Goluzina. On distortion theorems for typically real functions. Zapiski Nauchnykh Seminarov POMI, Analytical theory of numbers and theory of functions. Part 24, Tome 371 (2009), pp. 171-175. http://geodesic.mathdoc.fr/item/ZNSL_2009_371_a12/