TY  - BOOK
AU  - Balakrishnan, V. K.
TI  - Introductory discrete mathematics
SN  - 9780486691152
U1  - 511 
PY  - 1996///
CY  - New York
PB  - Dover Publications
KW  - Combinatories
KW  - Discrete mathematics
KW  - Mathematics
ER  -