TY  - BOOK
AU  - Andreescu , Titu, Feng, Zuming
TI  - Trigonometry problems, from the training of the usa imo team
SN  - 81-8128-339-2
U1  - 516.24 AND 
PY  - 2005///
CY  - INDIA
PB  - BIRKHAUSER
KW  - TRIGONOMETRY PROBLEMS
ER  -