Explore Books on
rekursionstheorie

Computability, enumerability, unsolvability

By S. B. Cooper

Generalized recursion theory

By Symposium on Generalized Recursion Theory University of Oslo 1972.

Recursion theory

By Joseph R. Shoenfield

General recursion theory

By J. E. Fewstad

Computability, an introduction to recursive function theory

By Nigel Cutland