TY  - BOOK
AU  - Chuan-Chong, Chen
AU  - Khee-Meng, Koh
TI  - Principles and techniques in combinatorics
SN  - 9810211392
CY  - Singapore
KW  - Coefficients -- binomial
KW  - Combinatorics
KW  - Mathematics
KW  - Pigeonhole principle
KW  - Ramsey numbers
N1  - Includes bibliographical references and index
ER  -