TY  - BOOK
AU  - Andreescu, Titu and others
AU  - Andrica, Dorin ; jt. auth.
AU  - Feng, Zuming ; jt. auth.
TI  - 104 number theory problems: from the training of the USA IMO team
SN  - 9788184895285
U1  - 512.7 
PY  - 2007///
CY  - Boston
PB  - Birkhauser
ER  -