TY  - BOOK
AU  - Frege Gottlob
TI  - Collected papers on mathematics, logic and philoso
SN  - 0631217283
U1  - R14xM48, M4 
PY  - 1984///
CY  - London
PB  - Blackwell U. K.        
KW  - Philosophy-Symbolic Logic
ER  -