1. J.A. Jenkins, Univalent Functions and Conformal Mapping. Russian transl. M.: Izd. Inostr. Liter., 1962.
2. G.M. Goluzin, Geometric theory of functions of a complex variable. Amer. Math. Soc. Providence, R.I., USA, 1969.
3. N.S. Landkof, Foundations of modern potential theory. Springer-Verlag, Berlin Heidelberg, 1972.
4. G. Polya and G. Szego, Isoperimetric Inequalities in Mathematical Physics. Princeton Univ. Press, Princeton, 1951.
5. P. Duren, Univalent Functions. Heidelberg and New York: Springer-Verlag, 1983.