TY  - BOOK
AU  - WALLIS W D
TI  - Beginner's guide to discrete mathematics
SN  - 9788181282156 (pbk)
U1  - B0bD65,8(B), P3;2-;4 
PY  - 2008///
CY  - New Delhi 
PB  - Birkhauser      
KW  -  Discrete mathematical
KW  - Mathematics
N1  - Index363-367p
ER  -