참고문헌
- T.H. Gronwall, Some remarks on conformal representation, Ann. of Math. 16 (1914-15), 72-76.
- W. Hengartner and G. Schober, Univalent harmonic functions, Trans. Amer. Math. Soc. 299 (1987), 1-31. https://doi.org/10.1090/S0002-9947-1987-0869396-9
-
S.H. Jun, Univalent harmonic mappings on
$\Delta={z\;:\;\left|z\right|>1$ , Proc. Amer. Math. Soc. 119 (1993), 109-114.