TY  - BOOK
AU  - Andreescu,Titu
AU  - Feng,Zuming
TI  - 103 trigonometry problems: from the training of the USA IMO team 
SN  - 0817643346
AV  - QA537  .A52 2005
PY  - 2005///
CY  - Boston
PB  - Birkhauser
KW  - Trigonometry
KW  - Problems, exercises, etc
ER  -