TY  - BOOK
AU  - Nand,Brahma
AU  - Tyagi,B.S.
AU  - Gupta, R.L.
TI  - Set theory & Number System
U1  - 517.521 
CY  - Merrut
PB  - Shalini Prakasan
KW  - Mathemetices
KW  - Theory
KW  - Number System
KW  - গণিত
ER  -