TY  - BOOK
AU  - Khanna, M. L.
TI  - Elementary set theory
U1  - 511.322 
PY  - 1976///
CY  - Meerut
PB  - Jai-Prakash Nath and co .
KW  - Mathematics
KW  - Set operations
KW  - Relations
KW  - Algebra
ER  -