TY  - BOOK
AU  - Sandor, J.
AU  - Crstici, B.
TI  - Handbook of Number Theory Vol, II
SN  - 1402025467
U1  - 512.73 SAN 
PY  - 2004///
CY  - London
PB  - Kluwer Academic Publishers
KW  - Number theory -- hanbook manual etc
N1  - Contents :
1. Perfect number : Old and
ER  -