TY  - BOOK
AU  - Gupta, Parmanand
AU  - Gupta, Rama
TI  - Comprehensive mathematics
SN  - 978-81-318-0813-9
U1  - 510 
PY  - 2010///]
CY  - New Delhi, India
PB  - Laxmi Publications, 
KW  - Mathematics--Problems, exercises, etc
ER  -