TY  - BOOK
AU  - Rajbeer Singh
TI  - Number system and set theory 
SN  - 81-89557-93-9
U1  - 512.322 
PY  - 2007///
CY  - New Delhi
PB  - Arise Publishers and Distributors
KW  - Number system
KW  - Set theory
KW  - Mathematics
ER  -