TY  - BOOK
AU  - Holton,Derek Allan
TI  - A second step to Mathematical Olympiad problems 
T2  - Mathematical Olympiad series 
SN  - 9789814327879 (pbk.)
U1  - 510.79 
PY  - 2011///
CY  - Hackensack, NJ 
PB  - World Scientific
KW  - Mathematics
KW  - Combinatorial analysis
N1  - Includes index
ER  -