Introduction to complex analysis /
Nevanlinna, Rolf.
Paatero, Veikko.
Kövari, T. B.
Goodman, G. S.
Reading (Mass.) London Addison-Wesley
1969
Originally published as 'Einfuhrung in die Funktion-theorie'. Basel(Basle): Birkhäuser Verlag, 1965
Complexes.