TY  - BOOK
AU  - Gupta, Asit Das
AU  - Surya Bhusan Prashad
AU  - Thakur, Shyam Narayan 
TI  - Mathematics for class 11 part 1: by Asit Das Gupta, Surya Bhusan Prashad [and] Shyam Narayan Thakur
SN  - 9788177099799
U1  - 510 
PY  - 2010///
CY  - New Delhi
PB  - Bharti Bhawan
ER  -