TY  - BOOK
AU  - Andreescu, Titu
AU  - Feng, Zuming
TI  - 103 Trigonometry problems: from the training of the USA IMO team
SN  - 9788181283399
PY  - 2004///
CY  - Boston
PB  - Birkhauser
N1  - First Indian Reprint 2005
ER  -