TY  - BOOK
AU  - Gelca, Razvan
AU  - Andreescu, Titu
TI  - Putnam and beyond
SN  - 9780387257655
PY  - 2007///
CY  - New York
PB  - Springer
KW  - Mathematics- Competitive exam guide
KW  - theory of numbers
KW  - Number theory
KW  - Group theory
KW  - Algebra
KW  - Mathematics
KW  - Set theory
KW  - Geometry
KW  - Probabilities
KW  - Mathematics- Putnam exam guide
ER  -