TY  - BOOK
AU  - Zhang, Yao
TI  - Combinatorial problems in Mathematical competitions
T2  - Mathematical Olympiad series ; 4
SN  - 9789812839497
U1  - 511.6 
PY  - 2011///
CY  - China
PB  - Wspc/ecnu
N1  - "Purchased under NBHM grant for the year 2011-2012"
ER  -