Geodesic
Inequalities for derivatives of rational functions with critical values on an interval
Dalʹnevostočnyj matematičeskij žurnal, Tome 24 (2024) no. 2, pp. 187-192.

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Multipoint distortion theorems are proved for rational functions with restrictions on their zeros, poles and critical values. 
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V. N. Dubinin. Inequalities for derivatives of rational functions with critical values on an interval. Dalʹnevostočnyj matematičeskij žurnal, Tome 24 (2024) no. 2, pp. 187-192. http://geodesic.mathdoc.fr/item/DVMG_2024_24_2_a3/

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