TY  - BOOK
AU  - Andreescu, Titu
AU  - Feng, Zuming
TI  - 103 trigonometry problems from the training of the USA IMO team
SN  - 9788181283399
U1  - 516.24 AND 
PY  - 2004///
CY  - Boston
PB  - Birkhauser
ER  -