TY  - BOOK
AU  - Fenstad J E ed
ED  - Scandinavian logic symposium( 2nd : 1971 )
ED  - 
TI  - Proceedings
SN  - 0-7204-2259-0
U1  - 511.3 
PY  - 1971///
CY  - London
PB  - North-Holland
KW  - Mathematical logic
ER  -