TY  - BOOK
AU  - Ebbinghaus, HD.
AU  - Flum, J. Thomas, W.
TI  - Mathematical logic
T2  - Undergraduate texts in mathematics
U1  - 511.3 
PY  - 1984///
CY  - New York
PB  - Springer Verlag
KW  - Logic, Symbolic and mathematics
ER  -