TY  - BOOK
AU  -  Sastry, V.S.S.  
TI  - Many Approaches To (-1 X -1 = +1)
SN  - 9788174802736
U1  - 519.5 
PY  - 2015///
CY  - New Delhi
PB  - Vigyan Prasar
KW  - Maths
N2  - Maths
ER  -