TY  - BOOK
AU  - Russell,Bertrand
ED  - George Allen & Unwin
TI  - The principles of mathematics
U1  - 510.1 23
PY  - 1964///.
CY  - London: 
PB  - George Allen & Unwin, 
KW  - Mathematics
KW  - Philosophy
N1  - Includes bibliographical footnotes and index
ER  -