TY  - BOOK
AU  - Jensen Don
TI  - On local proof restrictions for strong theries
T2  - Dissertationes mathematicae; 108
U1  - B2, L31 
PY  - 1973///
CY  - Warszawa
PB  - Panstwowe Wydawnictwo Naukowe       
KW  - Mathematics
ER  -