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Differential inequalities for spirallike and strongly starlike functions. (English) Zbl 1494.30023

MSC:

30C45 Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.)
30C55 General theory of univalent and multivalent functions of one complex variable
30C80 Maximum principle, Schwarz’s lemma, Lindelöf principle, analogues and generalizations; subordination
30C70 Extremal problems for conformal and quasiconformal mappings, variational methods
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