1. Z. Nehari, Conformal Mapping (McGraw-Hill, New York, 1952)
2. P.L. Duren, Theory of
$$H^{\rm p}$$
H
p
Spaces (Academic Press, New York, 1970)
3. D.G. Luenberger, Optimization by Vector Space Methods (Wiley, New York, 1968)
4. H. Kober, Dictionary of Conformal Representations (Dover, New York, 1957)
5. V.P. Potapov, Trudy Moskov. Mat. Obsc. 4, 125 (1955). (in Russian)