TY  - BOOK
AU  - Nahin,Paul J.
TI  - An imaginary tale : the story of root of -1 / 
SN  - 9788173713996
U1  - 512.7 
PY  - 2006///
CY  - Hyderabad : 
PB  - Universities Press , 
KW  - NUMBER THEORY
N1  - Includes index
ER  -