TY  - BOOK
AU  - Hermes, Hans.
ED  - Hermann, G T.
ED  - Plassman, O.
TI  - Enumerability, decidability, computability: An introduction to the theory of recursive fucntions
U1  - 511.8 
PY  - 1969///
CY  - Berlin.
PB  - Springer-verlag.
ER  -