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 
PY  - 2005///
CY  - Boston
PB  - Birkhauser
KW  - Trigonometry-Problems, exercises
ER  -