TY  - BOOK
AU  - Wallis,W.D.
AU  - 
TI  - Introduction to combinatorics: 
SN  - 978 4398 0622 7
U1  - 511.6/W187i 
PY  - 0000///CRC press
PY  - 2011///
CY  - New york 
KW  - Combinatorial analysics-text book
KW  -  Combinatorial analysics
N1  - Includes index(P.355-379) bibliog(P.367-374)
ER  -