TY  - BOOK
AU  - Luckhardt, Horst
AU  - 
TI  - Extensional godel functional interpretation
T2  - Lecture Notes in Mathematics, No.0306
U1  - R  LNM.0306 
PY  - 1973///
CY  - Springer-Verlag, Berlin
KW  - Lecture Notes in Mathematics
ER  -