TY  - BOOK
AU  - Cohen Henri
TI  - Number theory
T2  - Graduate texts in mathematics; 239
SN  - 9780387499222 (hbd)
U1  - B15, P7.1-.2 
PY  - 2007///
CY  - New York 
PB  - Springer Science+Business Media    
KW  -  Number theory
KW  - Mathematics
ER  -