TY  - BOOK
AU  - Andreescu, Titu,
AU  - Feng, Zuming,
TI  - 102 combinatorial problems: from the training of the USA IMO team
SN  - 9780817643171
U1  - 511.6 AND 
PY  - 2003///
CY  - New York
PB  - Springer
KW  - General principles of mathematics
KW  - Mathematical olympiad
KW  - Introductory Problems
N1  - Includes bibliographical references
ER  -