TY  - BOOK
AU  - Malhotra, O.P. 
AU  - Gupta, S.K. 
TI  - Mathematics for class XI. 
SN  - 8121905214
PY  - 2005///.
CY  - New Delhi : 
PB  - S. Chand & company Ltd., 
KW  - Mathematics for class xi.
ER  -