Linear extremal problems for harmonic mappings of the disk
Authors: Peter Duren and Glenn Schober
Journal: Proc. Amer. Math. Soc. 106 (1989), 967-973
MSC: Primary 30C45; Secondary 30C50, 31A05
MathSciNet review: 953740
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Abstract: Sharp bounds for Fourier coefficients and distortion are established for harmonic mappings of the unit disk onto itself.