00491nam a2200157Ia 4500 240112b |||||||| |||| 00| 0 eng d 9789812839497 511.6 Z63.CP Zhang, Yao 1579 Combinatorial problems in Mathematical competitions / China: Wspc/ecnu, 2011 xii, 289p. Mathematical Olympiad series ; 4 "Purchased under NBHM grant for the year 2011-2012" ddc BK 0 0 0 511_600000000000000_Z63_CP 0 30076 ISI ISI 2011-05-03 HBA 123956.00 3 2 511.6 Z63.CP DP29043 2023-03-20 00:00:00 2023-03-06 BK Ord num:7110; Ord dt:2010-03-08 31570 31570