TY  - BOOK
AU  - Andreescu,T &  Feng,Z
ED  -  Feng, Z 
TI  - 103 Trigonometry problems: from the training of the USA IMO team
SN  - 9788181283399
U1  - 514.9 
PY  - 2004///
CY  - Boston
PB  - Birkhauser
ER  -