TY  - BOOK
AU  - Barbeau, Edward J.  .
TI  - Pell`s equation / 
SN  - 978-81-8489-851-4
U1  - B23 
PY  - 2003///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Pell`s equation
ER  -