TY  - BOOK
AU  - Andreescu, T
AU  - Andrica, Dorin
TI  - Number theory:structures, examples, and problems
SN  - 9780817632458
U1  - 511 
PY  - 2009///
CY  - Boston
PB  - Birkhauser
KW  - NUMBER THEORY
N1  - Ref. sec
ER  -